Home / 14,799.61-20,423.95-8,085.86

Finding the Fourth Proportional to 14,799.61, 20,423.95 and 8,085.86

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Solution

The fourth proportional to 14,799.61, 20,423.95 and 8,085.86 is: 11,158.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,799.61 : 20,423.95 = 8,085.86 : x
  2. Step 2: Convert to fraction form
    14,799.61/20,423.95 = 8,085.86/x
  3. Step 3: Cross multiply
    14,799.61x = 20,423.95 × 8,085.86
  4. Step 4: Simplify right side
    14,799.61x = 165,145,098.23
  5. Step 5: Solve for x
    x = 165,145,098.23/14,799.61
  6. Step 6: Final answer
    x = 11,158.75

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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.