Home / 12,591.83-18,851.28-9,484.94

Finding the Fourth Proportional to 12,591.83, 18,851.28 and 9,484.94

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Solution

The fourth proportional to 12,591.83, 18,851.28 and 9,484.94 is: 14,199.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,591.83 : 18,851.28 = 9,484.94 : x
  2. Step 2: Convert to fraction form
    12,591.83/18,851.28 = 9,484.94/x
  3. Step 3: Cross multiply
    12,591.83x = 18,851.28 × 9,484.94
  4. Step 4: Simplify right side
    12,591.83x = 178,803,165.47
  5. Step 5: Solve for x
    x = 178,803,165.47/12,591.83
  6. Step 6: Final answer
    x = 14,199.94

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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.