Home / 15,947.10-23,921.55-4,854.15

Finding the Fourth Proportional to 15,947.10, 23,921.55 and 4,854.15

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Solution

The fourth proportional to 15,947.10, 23,921.55 and 4,854.15 is: 7,281.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,947.10 : 23,921.55 = 4,854.15 : x
  2. Step 2: Convert to fraction form
    15,947.10/23,921.55 = 4,854.15/x
  3. Step 3: Cross multiply
    15,947.10x = 23,921.55 × 4,854.15
  4. Step 4: Simplify right side
    15,947.10x = 116,118,791.93
  5. Step 5: Solve for x
    x = 116,118,791.93/15,947.10
  6. Step 6: Final answer
    x = 7,281.50

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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.