Home / 27,240.60-40,881.15-14,086.20

Finding the Fourth Proportional to 27,240.60, 40,881.15 and 14,086.20

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Solution

The fourth proportional to 27,240.60, 40,881.15 and 14,086.20 is: 21,139.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,240.60 : 40,881.15 = 14,086.20 : x
  2. Step 2: Convert to fraction form
    27,240.60/40,881.15 = 14,086.20/x
  3. Step 3: Cross multiply
    27,240.60x = 40,881.15 × 14,086.20
  4. Step 4: Simplify right side
    27,240.60x = 575,860,055.13
  5. Step 5: Solve for x
    x = 575,860,055.13/27,240.60
  6. Step 6: Final answer
    x = 21,139.77

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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.