Home / 25,681.89-38,527.05-8,155.92

Finding the Fourth Proportional to 25,681.89, 38,527.05 and 8,155.92

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Solution

The fourth proportional to 25,681.89, 38,527.05 and 8,155.92 is: 12,235.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,681.89 : 38,527.05 = 8,155.92 : x
  2. Step 2: Convert to fraction form
    25,681.89/38,527.05 = 8,155.92/x
  3. Step 3: Cross multiply
    25,681.89x = 38,527.05 × 8,155.92
  4. Step 4: Simplify right side
    25,681.89x = 314,223,537.64
  5. Step 5: Solve for x
    x = 314,223,537.64/25,681.89
  6. Step 6: Final answer
    x = 12,235.22

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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.