Home / 14,640.48-21,960.72-3,547.17

Finding the Fourth Proportional to 14,640.48, 21,960.72 and 3,547.17

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Solution

The fourth proportional to 14,640.48, 21,960.72 and 3,547.17 is: 5,320.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,640.48 : 21,960.72 = 3,547.17 : x
  2. Step 2: Convert to fraction form
    14,640.48/21,960.72 = 3,547.17/x
  3. Step 3: Cross multiply
    14,640.48x = 21,960.72 × 3,547.17
  4. Step 4: Simplify right side
    14,640.48x = 77,898,407.16
  5. Step 5: Solve for x
    x = 77,898,407.16/14,640.48
  6. Step 6: Final answer
    x = 5,320.76

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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.