Home / 23,429.07-32,332.65-12,818.70

Finding the Fourth Proportional to 23,429.07, 32,332.65 and 12,818.70

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Solution

The fourth proportional to 23,429.07, 32,332.65 and 12,818.70 is: 17,690.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,429.07 : 32,332.65 = 12,818.70 : x
  2. Step 2: Convert to fraction form
    23,429.07/32,332.65 = 12,818.70/x
  3. Step 3: Cross multiply
    23,429.07x = 32,332.65 × 12,818.70
  4. Step 4: Simplify right side
    23,429.07x = 414,462,540.56
  5. Step 5: Solve for x
    x = 414,462,540.56/23,429.07
  6. Step 6: Final answer
    x = 17,690.10

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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.