Home / 25,345.12-38,014.24-6,626.40

Finding the Fourth Proportional to 25,345.12, 38,014.24 and 6,626.40

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Solution

The fourth proportional to 25,345.12, 38,014.24 and 6,626.40 is: 9,938.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,345.12 : 38,014.24 = 6,626.40 : x
  2. Step 2: Convert to fraction form
    25,345.12/38,014.24 = 6,626.40/x
  3. Step 3: Cross multiply
    25,345.12x = 38,014.24 × 6,626.40
  4. Step 4: Simplify right side
    25,345.12x = 251,897,559.94
  5. Step 5: Solve for x
    x = 251,897,559.94/25,345.12
  6. Step 6: Final answer
    x = 9,938.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.