Home / 18,930.15-26,123.49-10,432.32

Finding the Fourth Proportional to 18,930.15, 26,123.49 and 10,432.32

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Solution

The fourth proportional to 18,930.15, 26,123.49 and 10,432.32 is: 14,396.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,930.15 : 26,123.49 = 10,432.32 : x
  2. Step 2: Convert to fraction form
    18,930.15/26,123.49 = 10,432.32/x
  3. Step 3: Cross multiply
    18,930.15x = 26,123.49 × 10,432.32
  4. Step 4: Simplify right side
    18,930.15x = 272,528,607.20
  5. Step 5: Solve for x
    x = 272,528,607.20/18,930.15
  6. Step 6: Final answer
    x = 14,396.54

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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.