Home / 18,895.40-28,484.62-17,626.76

Finding the Fourth Proportional to 18,895.40, 28,484.62 and 17,626.76

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Solution

The fourth proportional to 18,895.40, 28,484.62 and 17,626.76 is: 26,572.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,895.40 : 28,484.62 = 17,626.76 : x
  2. Step 2: Convert to fraction form
    18,895.40/28,484.62 = 17,626.76/x
  3. Step 3: Cross multiply
    18,895.40x = 28,484.62 × 17,626.76
  4. Step 4: Simplify right side
    18,895.40x = 502,091,560.43
  5. Step 5: Solve for x
    x = 502,091,560.43/18,895.40
  6. Step 6: Final answer
    x = 26,572.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.