Home / 14,775.27-20,397.40-11,410.53

Finding the Fourth Proportional to 14,775.27, 20,397.40 and 11,410.53

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Solution

The fourth proportional to 14,775.27, 20,397.40 and 11,410.53 is: 15,752.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,775.27 : 20,397.40 = 11,410.53 : x
  2. Step 2: Convert to fraction form
    14,775.27/20,397.40 = 11,410.53/x
  3. Step 3: Cross multiply
    14,775.27x = 20,397.40 × 11,410.53
  4. Step 4: Simplify right side
    14,775.27x = 232,745,116.10
  5. Step 5: Solve for x
    x = 232,745,116.10/14,775.27
  6. Step 6: Final answer
    x = 15,752.34

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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.