Home / 15,475.23-23,209.38-4,379.40

Finding the Fourth Proportional to 15,475.23, 23,209.38 and 4,379.40

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Solution

The fourth proportional to 15,475.23, 23,209.38 and 4,379.40 is: 6,568.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,475.23 : 23,209.38 = 4,379.40 : x
  2. Step 2: Convert to fraction form
    15,475.23/23,209.38 = 4,379.40/x
  3. Step 3: Cross multiply
    15,475.23x = 23,209.38 × 4,379.40
  4. Step 4: Simplify right side
    15,475.23x = 101,643,158.77
  5. Step 5: Solve for x
    x = 101,643,158.77/15,475.23
  6. Step 6: Final answer
    x = 6,568.12

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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.