Home / 32,721.54-45,154.17-18,572.46

Finding the Fourth Proportional to 32,721.54, 45,154.17 and 18,572.46

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Solution

The fourth proportional to 32,721.54, 45,154.17 and 18,572.46 is: 25,629.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,721.54 : 45,154.17 = 18,572.46 : x
  2. Step 2: Convert to fraction form
    32,721.54/45,154.17 = 18,572.46/x
  3. Step 3: Cross multiply
    32,721.54x = 45,154.17 × 18,572.46
  4. Step 4: Simplify right side
    32,721.54x = 838,624,016.16
  5. Step 5: Solve for x
    x = 838,624,016.16/32,721.54
  6. Step 6: Final answer
    x = 25,629.11

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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.