Home / 27,594.45-38,079.99-15,019.20

Finding the Fourth Proportional to 27,594.45, 38,079.99 and 15,019.20

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Solution

The fourth proportional to 27,594.45, 38,079.99 and 15,019.20 is: 20,726.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,594.45 : 38,079.99 = 15,019.20 : x
  2. Step 2: Convert to fraction form
    27,594.45/38,079.99 = 15,019.20/x
  3. Step 3: Cross multiply
    27,594.45x = 38,079.99 × 15,019.20
  4. Step 4: Simplify right side
    27,594.45x = 571,930,985.81
  5. Step 5: Solve for x
    x = 571,930,985.81/27,594.45
  6. Step 6: Final answer
    x = 20,726.30

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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.