Home / 22,925.85-31,636.94-12,854.86

Finding the Fourth Proportional to 22,925.85, 31,636.94 and 12,854.86

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Solution

The fourth proportional to 22,925.85, 31,636.94 and 12,854.86 is: 17,739.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,925.85 : 31,636.94 = 12,854.86 : x
  2. Step 2: Convert to fraction form
    22,925.85/31,636.94 = 12,854.86/x
  3. Step 3: Cross multiply
    22,925.85x = 31,636.94 × 12,854.86
  4. Step 4: Simplify right side
    22,925.85x = 406,688,434.53
  5. Step 5: Solve for x
    x = 406,688,434.53/22,925.85
  6. Step 6: Final answer
    x = 17,739.30

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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.