Home / 25,269.10-34,870.54-13,939.08

Finding the Fourth Proportional to 25,269.10, 34,870.54 and 13,939.08

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Solution

The fourth proportional to 25,269.10, 34,870.54 and 13,939.08 is: 19,235.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,269.10 : 34,870.54 = 13,939.08 : x
  2. Step 2: Convert to fraction form
    25,269.10/34,870.54 = 13,939.08/x
  3. Step 3: Cross multiply
    25,269.10x = 34,870.54 × 13,939.08
  4. Step 4: Simplify right side
    25,269.10x = 486,063,246.70
  5. Step 5: Solve for x
    x = 486,063,246.70/25,269.10
  6. Step 6: Final answer
    x = 19,235.48

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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.