Home / 32,718.74-45,153.32-18,572.90

Finding the Fourth Proportional to 32,718.74, 45,153.32 and 18,572.90

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Solution

The fourth proportional to 32,718.74, 45,153.32 and 18,572.90 is: 25,631.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,718.74 : 45,153.32 = 18,572.90 : x
  2. Step 2: Convert to fraction form
    32,718.74/45,153.32 = 18,572.90/x
  3. Step 3: Cross multiply
    32,718.74x = 45,153.32 × 18,572.90
  4. Step 4: Simplify right side
    32,718.74x = 838,627,778.40
  5. Step 5: Solve for x
    x = 838,627,778.40/32,718.74
  6. Step 6: Final answer
    x = 25,631.42

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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.