Home / 23,428.36-32,332.02-12,818.92

Finding the Fourth Proportional to 23,428.36, 32,332.02 and 12,818.92

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Solution

The fourth proportional to 23,428.36, 32,332.02 and 12,818.92 is: 17,690.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,428.36 : 32,332.02 = 12,818.92 : x
  2. Step 2: Convert to fraction form
    23,428.36/32,332.02 = 12,818.92/x
  3. Step 3: Cross multiply
    23,428.36x = 32,332.02 × 12,818.92
  4. Step 4: Simplify right side
    23,428.36x = 414,461,577.82
  5. Step 5: Solve for x
    x = 414,461,577.82/23,428.36
  6. Step 6: Final answer
    x = 17,690.59

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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.