Home / 15,022.08-20,717.85-11,254.08

Finding the Fourth Proportional to 15,022.08, 20,717.85 and 11,254.08

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Solution

The fourth proportional to 15,022.08, 20,717.85 and 11,254.08 is: 15,521.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,022.08 : 20,717.85 = 11,254.08 : x
  2. Step 2: Convert to fraction form
    15,022.08/20,717.85 = 11,254.08/x
  3. Step 3: Cross multiply
    15,022.08x = 20,717.85 × 11,254.08
  4. Step 4: Simplify right side
    15,022.08x = 233,160,341.33
  5. Step 5: Solve for x
    x = 233,160,341.33/15,022.08
  6. Step 6: Final answer
    x = 15,521.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.