Home / 48,640.19-72,954.81-13,104.14

Finding the Fourth Proportional to 48,640.19, 72,954.81 and 13,104.14

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Solution

The fourth proportional to 48,640.19, 72,954.81 and 13,104.14 is: 19,654.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,640.19 : 72,954.81 = 13,104.14 : x
  2. Step 2: Convert to fraction form
    48,640.19/72,954.81 = 13,104.14/x
  3. Step 3: Cross multiply
    48,640.19x = 72,954.81 × 13,104.14
  4. Step 4: Simplify right side
    48,640.19x = 956,009,728.28
  5. Step 5: Solve for x
    x = 956,009,728.28/48,640.19
  6. Step 6: Final answer
    x = 19,654.73

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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.