Home / 27,124.08-40,686.12-7,402.20

Finding the Fourth Proportional to 27,124.08, 40,686.12 and 7,402.20

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Solution

The fourth proportional to 27,124.08, 40,686.12 and 7,402.20 is: 11,103.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,124.08 : 40,686.12 = 7,402.20 : x
  2. Step 2: Convert to fraction form
    27,124.08/40,686.12 = 7,402.20/x
  3. Step 3: Cross multiply
    27,124.08x = 40,686.12 × 7,402.20
  4. Step 4: Simplify right side
    27,124.08x = 301,166,797.46
  5. Step 5: Solve for x
    x = 301,166,797.46/27,124.08
  6. Step 6: Final answer
    x = 11,103.30

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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.