Home / 27,146.60-37,451.76-15,814.16

Finding the Fourth Proportional to 27,146.60, 37,451.76 and 15,814.16

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Solution

The fourth proportional to 27,146.60, 37,451.76 and 15,814.16 is: 21,817.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,146.60 : 37,451.76 = 15,814.16 : x
  2. Step 2: Convert to fraction form
    27,146.60/37,451.76 = 15,814.16/x
  3. Step 3: Cross multiply
    27,146.60x = 37,451.76 × 15,814.16
  4. Step 4: Simplify right side
    27,146.60x = 592,268,124.92
  5. Step 5: Solve for x
    x = 592,268,124.92/27,146.60
  6. Step 6: Final answer
    x = 21,817.40

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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.