Home / 22,721.46-31,346.90-14,103.60

Finding the Fourth Proportional to 22,721.46, 31,346.90 and 14,103.60

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Solution

The fourth proportional to 22,721.46, 31,346.90 and 14,103.60 is: 19,457.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,721.46 : 31,346.90 = 14,103.60 : x
  2. Step 2: Convert to fraction form
    22,721.46/31,346.90 = 14,103.60/x
  3. Step 3: Cross multiply
    22,721.46x = 31,346.90 × 14,103.60
  4. Step 4: Simplify right side
    22,721.46x = 442,103,911.59
  5. Step 5: Solve for x
    x = 442,103,911.59/22,721.46
  6. Step 6: Final answer
    x = 19,457.55

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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.