Home / 16,931.14-23,365.18-9,377.62

Finding the Fourth Proportional to 16,931.14, 23,365.18 and 9,377.62

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Solution

The fourth proportional to 16,931.14, 23,365.18 and 9,377.62 is: 12,941.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,931.14 : 23,365.18 = 9,377.62 : x
  2. Step 2: Convert to fraction form
    16,931.14/23,365.18 = 9,377.62/x
  3. Step 3: Cross multiply
    16,931.14x = 23,365.18 × 9,377.62
  4. Step 4: Simplify right side
    16,931.14x = 219,109,779.27
  5. Step 5: Solve for x
    x = 219,109,779.27/16,931.14
  6. Step 6: Final answer
    x = 12,941.23

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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.