Home / 13,312.49-18,373.41-8,010.23

Finding the Fourth Proportional to 13,312.49, 18,373.41 and 8,010.23

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Solution

The fourth proportional to 13,312.49, 18,373.41 and 8,010.23 is: 11,055.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,312.49 : 18,373.41 = 8,010.23 : x
  2. Step 2: Convert to fraction form
    13,312.49/18,373.41 = 8,010.23/x
  3. Step 3: Cross multiply
    13,312.49x = 18,373.41 × 8,010.23
  4. Step 4: Simplify right side
    13,312.49x = 147,175,239.98
  5. Step 5: Solve for x
    x = 147,175,239.98/13,312.49
  6. Step 6: Final answer
    x = 11,055.43

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Half scale
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Double scale
Find fourth proportional to 13,313.49, 18,374.79 and 8,011.23
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.