Home / 22,656.71-31,281.40-14,170.85

Finding the Fourth Proportional to 22,656.71, 31,281.40 and 14,170.85

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Solution

The fourth proportional to 22,656.71, 31,281.40 and 14,170.85 is: 19,565.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,656.71 : 31,281.40 = 14,170.85 : x
  2. Step 2: Convert to fraction form
    22,656.71/31,281.40 = 14,170.85/x
  3. Step 3: Cross multiply
    22,656.71x = 31,281.40 × 14,170.85
  4. Step 4: Simplify right side
    22,656.71x = 443,283,835.36
  5. Step 5: Solve for x
    x = 443,283,835.36/22,656.71
  6. Step 6: Final answer
    x = 19,565.24

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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.