Home / 15,858.90-23,772.15-9,281.70

Finding the Fourth Proportional to 15,858.90, 23,772.15 and 9,281.70

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Solution

The fourth proportional to 15,858.90, 23,772.15 and 9,281.70 is: 13,913.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,858.90 : 23,772.15 = 9,281.70 : x
  2. Step 2: Convert to fraction form
    15,858.90/23,772.15 = 9,281.70/x
  3. Step 3: Cross multiply
    15,858.90x = 23,772.15 × 9,281.70
  4. Step 4: Simplify right side
    15,858.90x = 220,645,964.66
  5. Step 5: Solve for x
    x = 220,645,964.66/15,858.90
  6. Step 6: Final answer
    x = 13,913.07

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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.