Home / 22,528.48-31,081.60-13,572.60

Finding the Fourth Proportional to 22,528.48, 31,081.60 and 13,572.60

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Solution

The fourth proportional to 22,528.48, 31,081.60 and 13,572.60 is: 18,725.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,528.48 : 31,081.60 = 13,572.60 : x
  2. Step 2: Convert to fraction form
    22,528.48/31,081.60 = 13,572.60/x
  3. Step 3: Cross multiply
    22,528.48x = 31,081.60 × 13,572.60
  4. Step 4: Simplify right side
    22,528.48x = 421,858,124.16
  5. Step 5: Solve for x
    x = 421,858,124.16/22,528.48
  6. Step 6: Final answer
    x = 18,725.55

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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.