Home / 48,678.14-73,017.34-13,618.10

Finding the Fourth Proportional to 48,678.14, 73,017.34 and 13,618.10

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Solution

The fourth proportional to 48,678.14, 73,017.34 and 13,618.10 is: 20,427.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,678.14 : 73,017.34 = 13,618.10 : x
  2. Step 2: Convert to fraction form
    48,678.14/73,017.34 = 13,618.10/x
  3. Step 3: Cross multiply
    48,678.14x = 73,017.34 × 13,618.10
  4. Step 4: Simplify right side
    48,678.14x = 994,357,437.85
  5. Step 5: Solve for x
    x = 994,357,437.85/48,678.14
  6. Step 6: Final answer
    x = 20,427.19

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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.