Home / 14,115.06-21,154.29-10,577.28

Finding the Fourth Proportional to 14,115.06, 21,154.29 and 10,577.28

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Solution

The fourth proportional to 14,115.06, 21,154.29 and 10,577.28 is: 15,852.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,115.06 : 21,154.29 = 10,577.28 : x
  2. Step 2: Convert to fraction form
    14,115.06/21,154.29 = 10,577.28/x
  3. Step 3: Cross multiply
    14,115.06x = 21,154.29 × 10,577.28
  4. Step 4: Simplify right side
    14,115.06x = 223,754,848.53
  5. Step 5: Solve for x
    x = 223,754,848.53/14,115.06
  6. Step 6: Final answer
    x = 15,852.21

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Double scale
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Similar ratio
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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.