Home / 12,423.17-18,639.74-4,526.24

Finding the Fourth Proportional to 12,423.17, 18,639.74 and 4,526.24

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Solution

The fourth proportional to 12,423.17, 18,639.74 and 4,526.24 is: 6,791.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,423.17 : 18,639.74 = 4,526.24 : x
  2. Step 2: Convert to fraction form
    12,423.17/18,639.74 = 4,526.24/x
  3. Step 3: Cross multiply
    12,423.17x = 18,639.74 × 4,526.24
  4. Step 4: Simplify right side
    12,423.17x = 84,367,936.78
  5. Step 5: Solve for x
    x = 84,367,936.78/12,423.17
  6. Step 6: Final answer
    x = 6,791.18

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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.