Home / 15,171.40-22,757.10-4,641.40

Finding the Fourth Proportional to 15,171.40, 22,757.10 and 4,641.40

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Solution

The fourth proportional to 15,171.40, 22,757.10 and 4,641.40 is: 6,962.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,171.40 : 22,757.10 = 4,641.40 : x
  2. Step 2: Convert to fraction form
    15,171.40/22,757.10 = 4,641.40/x
  3. Step 3: Cross multiply
    15,171.40x = 22,757.10 × 4,641.40
  4. Step 4: Simplify right side
    15,171.40x = 105,624,803.94
  5. Step 5: Solve for x
    x = 105,624,803.94/15,171.40
  6. Step 6: Final answer
    x = 6,962.10

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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.