Home / 18,471.34-25,490.55-10,088.38

Finding the Fourth Proportional to 18,471.34, 25,490.55 and 10,088.38

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Solution

The fourth proportional to 18,471.34, 25,490.55 and 10,088.38 is: 13,922.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,471.34 : 25,490.55 = 10,088.38 : x
  2. Step 2: Convert to fraction form
    18,471.34/25,490.55 = 10,088.38/x
  3. Step 3: Cross multiply
    18,471.34x = 25,490.55 × 10,088.38
  4. Step 4: Simplify right side
    18,471.34x = 257,158,354.81
  5. Step 5: Solve for x
    x = 257,158,354.81/18,471.34
  6. Step 6: Final answer
    x = 13,922.02

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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.