Home / 22,471.58-31,141.87-22,154.46

Finding the Fourth Proportional to 22,471.58, 31,141.87 and 22,154.46

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Solution

The fourth proportional to 22,471.58, 31,141.87 and 22,154.46 is: 30,702.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,471.58 : 31,141.87 = 22,154.46 : x
  2. Step 2: Convert to fraction form
    22,471.58/31,141.87 = 22,154.46/x
  3. Step 3: Cross multiply
    22,471.58x = 31,141.87 × 22,154.46
  4. Step 4: Simplify right side
    22,471.58x = 689,931,316.25
  5. Step 5: Solve for x
    x = 689,931,316.25/22,471.58
  6. Step 6: Final answer
    x = 30,702.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.