Home / 23,155.80-34,709.40-9,110.40

Finding the Fourth Proportional to 23,155.80, 34,709.40 and 9,110.40

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Solution

The fourth proportional to 23,155.80, 34,709.40 and 9,110.40 is: 13,656.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,155.80 : 34,709.40 = 9,110.40 : x
  2. Step 2: Convert to fraction form
    23,155.80/34,709.40 = 9,110.40/x
  3. Step 3: Cross multiply
    23,155.80x = 34,709.40 × 9,110.40
  4. Step 4: Simplify right side
    23,155.80x = 316,216,517.76
  5. Step 5: Solve for x
    x = 316,216,517.76/23,155.80
  6. Step 6: Final answer
    x = 13,656.04

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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.