Home / 14,712.90-22,056.91-6,386.66

Finding the Fourth Proportional to 14,712.90, 22,056.91 and 6,386.66

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Solution

The fourth proportional to 14,712.90, 22,056.91 and 6,386.66 is: 9,574.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,712.90 : 22,056.91 = 6,386.66 : x
  2. Step 2: Convert to fraction form
    14,712.90/22,056.91 = 6,386.66/x
  3. Step 3: Cross multiply
    14,712.90x = 22,056.91 × 6,386.66
  4. Step 4: Simplify right side
    14,712.90x = 140,869,984.82
  5. Step 5: Solve for x
    x = 140,869,984.82/14,712.90
  6. Step 6: Final answer
    x = 9,574.59

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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.