Home / 13,341.16-18,412.74-7,755.24

Finding the Fourth Proportional to 13,341.16, 18,412.74 and 7,755.24

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Solution

The fourth proportional to 13,341.16, 18,412.74 and 7,755.24 is: 10,703.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,341.16 : 18,412.74 = 7,755.24 : x
  2. Step 2: Convert to fraction form
    13,341.16/18,412.74 = 7,755.24/x
  3. Step 3: Cross multiply
    13,341.16x = 18,412.74 × 7,755.24
  4. Step 4: Simplify right side
    13,341.16x = 142,795,217.76
  5. Step 5: Solve for x
    x = 142,795,217.76/13,341.16
  6. Step 6: Final answer
    x = 10,703.36

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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.