Home / 22,877.64-31,573.80-13,808.88

Finding the Fourth Proportional to 22,877.64, 31,573.80 and 13,808.88

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Solution

The fourth proportional to 22,877.64, 31,573.80 and 13,808.88 is: 19,057.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,877.64 : 31,573.80 = 13,808.88 : x
  2. Step 2: Convert to fraction form
    22,877.64/31,573.80 = 13,808.88/x
  3. Step 3: Cross multiply
    22,877.64x = 31,573.80 × 13,808.88
  4. Step 4: Simplify right side
    22,877.64x = 435,998,815.34
  5. Step 5: Solve for x
    x = 435,998,815.34/22,877.64
  6. Step 6: Final answer
    x = 19,057.86

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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.