Home / 19,434.61-29,127.30-12,411.91

Finding the Fourth Proportional to 19,434.61, 29,127.30 and 12,411.91

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Solution

The fourth proportional to 19,434.61, 29,127.30 and 12,411.91 is: 18,602.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,434.61 : 29,127.30 = 12,411.91 : x
  2. Step 2: Convert to fraction form
    19,434.61/29,127.30 = 12,411.91/x
  3. Step 3: Cross multiply
    19,434.61x = 29,127.30 × 12,411.91
  4. Step 4: Simplify right side
    19,434.61x = 361,525,426.14
  5. Step 5: Solve for x
    x = 361,525,426.14/19,434.61
  6. Step 6: Final answer
    x = 18,602.14

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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.