Home / 13,444.76-18,553.56-7,477.04

Finding the Fourth Proportional to 13,444.76, 18,553.56 and 7,477.04

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Solution

The fourth proportional to 13,444.76, 18,553.56 and 7,477.04 is: 10,318.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,444.76 : 18,553.56 = 7,477.04 : x
  2. Step 2: Convert to fraction form
    13,444.76/18,553.56 = 7,477.04/x
  3. Step 3: Cross multiply
    13,444.76x = 18,553.56 × 7,477.04
  4. Step 4: Simplify right side
    13,444.76x = 138,725,710.26
  5. Step 5: Solve for x
    x = 138,725,710.26/13,444.76
  6. Step 6: Final answer
    x = 10,318.20

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Half 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.