Home / 22,672.60-31,283.35-13,718.32

Finding the Fourth Proportional to 22,672.60, 31,283.35 and 13,718.32

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Solution

The fourth proportional to 22,672.60, 31,283.35 and 13,718.32 is: 18,928.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,672.60 : 31,283.35 = 13,718.32 : x
  2. Step 2: Convert to fraction form
    22,672.60/31,283.35 = 13,718.32/x
  3. Step 3: Cross multiply
    22,672.60x = 31,283.35 × 13,718.32
  4. Step 4: Simplify right side
    22,672.60x = 429,155,005.97
  5. Step 5: Solve for x
    x = 429,155,005.97/22,672.60
  6. Step 6: Final answer
    x = 18,928.35

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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.