Home / 19,373.31-29,060.10-7,686.50

Finding the Fourth Proportional to 19,373.31, 29,060.10 and 7,686.50

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Solution

The fourth proportional to 19,373.31, 29,060.10 and 7,686.50 is: 11,529.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,373.31 : 29,060.10 = 7,686.50 : x
  2. Step 2: Convert to fraction form
    19,373.31/29,060.10 = 7,686.50/x
  3. Step 3: Cross multiply
    19,373.31x = 29,060.10 × 7,686.50
  4. Step 4: Simplify right side
    19,373.31x = 223,370,313.35
  5. Step 5: Solve for x
    x = 223,370,313.35/19,373.31
  6. Step 6: Final answer
    x = 11,529.80

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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.