Home / 27,311.02-40,966.26-12,515.74

Finding the Fourth Proportional to 27,311.02, 40,966.26 and 12,515.74

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Solution

The fourth proportional to 27,311.02, 40,966.26 and 12,515.74 is: 18,773.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,311.02 : 40,966.26 = 12,515.74 : x
  2. Step 2: Convert to fraction form
    27,311.02/40,966.26 = 12,515.74/x
  3. Step 3: Cross multiply
    27,311.02x = 40,966.26 × 12,515.74
  4. Step 4: Simplify right side
    27,311.02x = 512,723,058.93
  5. Step 5: Solve for x
    x = 512,723,058.93/27,311.02
  6. Step 6: Final answer
    x = 18,773.49

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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.