Home / 27,130.15-37,423.04-17,931.69

Finding the Fourth Proportional to 27,130.15, 37,423.04 and 17,931.69

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Solution

The fourth proportional to 27,130.15, 37,423.04 and 17,931.69 is: 24,734.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,130.15 : 37,423.04 = 17,931.69 : x
  2. Step 2: Convert to fraction form
    27,130.15/37,423.04 = 17,931.69/x
  3. Step 3: Cross multiply
    27,130.15x = 37,423.04 × 17,931.69
  4. Step 4: Simplify right side
    27,130.15x = 671,058,352.14
  5. Step 5: Solve for x
    x = 671,058,352.14/27,130.15
  6. Step 6: Final answer
    x = 24,734.78

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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.