Home / 14,681.98-21,995.25-11,378.91

Finding the Fourth Proportional to 14,681.98, 21,995.25 and 11,378.91

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Solution

The fourth proportional to 14,681.98, 21,995.25 and 11,378.91 is: 17,046.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,681.98 : 21,995.25 = 11,378.91 : x
  2. Step 2: Convert to fraction form
    14,681.98/21,995.25 = 11,378.91/x
  3. Step 3: Cross multiply
    14,681.98x = 21,995.25 × 11,378.91
  4. Step 4: Simplify right side
    14,681.98x = 250,281,970.18
  5. Step 5: Solve for x
    x = 250,281,970.18/14,681.98
  6. Step 6: Final answer
    x = 17,046.88

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1.5x scale

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.