Home / 14,043.28-19,382.76-9,577.69

Finding the Fourth Proportional to 14,043.28, 19,382.76 and 9,577.69

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Solution

The fourth proportional to 14,043.28, 19,382.76 and 9,577.69 is: 13,219.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,043.28 : 19,382.76 = 9,577.69 : x
  2. Step 2: Convert to fraction form
    14,043.28/19,382.76 = 9,577.69/x
  3. Step 3: Cross multiply
    14,043.28x = 19,382.76 × 9,577.69
  4. Step 4: Simplify right side
    14,043.28x = 185,642,066.62
  5. Step 5: Solve for x
    x = 185,642,066.62/14,043.28
  6. Step 6: Final answer
    x = 13,219.28

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Half scale
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Double scale
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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.