Home / 14,703.49-20,280.09-9,327.57

Finding the Fourth Proportional to 14,703.49, 20,280.09 and 9,327.57

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Solution

The fourth proportional to 14,703.49, 20,280.09 and 9,327.57 is: 12,865.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,703.49 : 20,280.09 = 9,327.57 : x
  2. Step 2: Convert to fraction form
    14,703.49/20,280.09 = 9,327.57/x
  3. Step 3: Cross multiply
    14,703.49x = 20,280.09 × 9,327.57
  4. Step 4: Simplify right side
    14,703.49x = 189,163,959.08
  5. Step 5: Solve for x
    x = 189,163,959.08/14,703.49
  6. Step 6: Final answer
    x = 12,865.24

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Half scale
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Double scale
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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.