Home / 27,066.86-37,353.10-15,130.70

Finding the Fourth Proportional to 27,066.86, 37,353.10 and 15,130.70

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Solution

The fourth proportional to 27,066.86, 37,353.10 and 15,130.70 is: 20,880.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,066.86 : 37,353.10 = 15,130.70 : x
  2. Step 2: Convert to fraction form
    27,066.86/37,353.10 = 15,130.70/x
  3. Step 3: Cross multiply
    27,066.86x = 37,353.10 × 15,130.70
  4. Step 4: Simplify right side
    27,066.86x = 565,178,556.52
  5. Step 5: Solve for x
    x = 565,178,556.52/27,066.86
  6. Step 6: Final answer
    x = 20,880.83

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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.