Home / 15,117.10-22,666.65-9,277.90

Finding the Fourth Proportional to 15,117.10, 22,666.65 and 9,277.90

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Solution

The fourth proportional to 15,117.10, 22,666.65 and 9,277.90 is: 13,911.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,117.10 : 22,666.65 = 9,277.90 : x
  2. Step 2: Convert to fraction form
    15,117.10/22,666.65 = 9,277.90/x
  3. Step 3: Cross multiply
    15,117.10x = 22,666.65 × 9,277.90
  4. Step 4: Simplify right side
    15,117.10x = 210,298,912.04
  5. Step 5: Solve for x
    x = 210,298,912.04/15,117.10
  6. Step 6: Final answer
    x = 13,911.33

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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.