Home / 18,123.95-25,005.92-10,570.61

Finding the Fourth Proportional to 18,123.95, 25,005.92 and 10,570.61

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Solution

The fourth proportional to 18,123.95, 25,005.92 and 10,570.61 is: 14,584.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,123.95 : 25,005.92 = 10,570.61 : x
  2. Step 2: Convert to fraction form
    18,123.95/25,005.92 = 10,570.61/x
  3. Step 3: Cross multiply
    18,123.95x = 25,005.92 × 10,570.61
  4. Step 4: Simplify right side
    18,123.95x = 264,327,837.67
  5. Step 5: Solve for x
    x = 264,327,837.67/18,123.95
  6. Step 6: Final answer
    x = 14,584.45

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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.