Home / 16,516.40-22,792.80-9,442.72

Finding the Fourth Proportional to 16,516.40, 22,792.80 and 9,442.72

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Solution

The fourth proportional to 16,516.40, 22,792.80 and 9,442.72 is: 13,031.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,516.40 : 22,792.80 = 9,442.72 : x
  2. Step 2: Convert to fraction form
    16,516.40/22,792.80 = 9,442.72/x
  3. Step 3: Cross multiply
    16,516.40x = 22,792.80 × 9,442.72
  4. Step 4: Simplify right side
    16,516.40x = 215,226,028.42
  5. Step 5: Solve for x
    x = 215,226,028.42/16,516.40
  6. Step 6: Final answer
    x = 13,031.05

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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.