Home / 15,278.10-22,895.55-9,417.30

Finding the Fourth Proportional to 15,278.10, 22,895.55 and 9,417.30

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Solution

The fourth proportional to 15,278.10, 22,895.55 and 9,417.30 is: 14,112.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,278.10 : 22,895.55 = 9,417.30 : x
  2. Step 2: Convert to fraction form
    15,278.10/22,895.55 = 9,417.30/x
  3. Step 3: Cross multiply
    15,278.10x = 22,895.55 × 9,417.30
  4. Step 4: Simplify right side
    15,278.10x = 215,614,263.02
  5. Step 5: Solve for x
    x = 215,614,263.02/15,278.10
  6. Step 6: Final answer
    x = 14,112.64

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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.