Home / 14,928.08-20,609.28-9,899.13

Finding the Fourth Proportional to 14,928.08, 20,609.28 and 9,899.13

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Solution

The fourth proportional to 14,928.08, 20,609.28 and 9,899.13 is: 13,666.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,928.08 : 20,609.28 = 9,899.13 : x
  2. Step 2: Convert to fraction form
    14,928.08/20,609.28 = 9,899.13/x
  3. Step 3: Cross multiply
    14,928.08x = 20,609.28 × 9,899.13
  4. Step 4: Simplify right side
    14,928.08x = 204,013,892.43
  5. Step 5: Solve for x
    x = 204,013,892.43/14,928.08
  6. Step 6: Final answer
    x = 13,666.46

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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.