Home / 22,671.60-31,281.98-13,717.32

Finding the Fourth Proportional to 22,671.60, 31,281.98 and 13,717.32

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Solution

The fourth proportional to 22,671.60, 31,281.98 and 13,717.32 is: 18,926.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,671.60 : 31,281.98 = 13,717.32 : x
  2. Step 2: Convert to fraction form
    22,671.60/31,281.98 = 13,717.32/x
  3. Step 3: Cross multiply
    22,671.60x = 31,281.98 × 13,717.32
  4. Step 4: Simplify right side
    22,671.60x = 429,104,861.31
  5. Step 5: Solve for x
    x = 429,104,861.31/22,671.60
  6. Step 6: Final answer
    x = 18,926.98

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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.