Home / 15,943.34-22,005.60-9,654.50

Finding the Fourth Proportional to 15,943.34, 22,005.60 and 9,654.50

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Solution

The fourth proportional to 15,943.34, 22,005.60 and 9,654.50 is: 13,325.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,943.34 : 22,005.60 = 9,654.50 : x
  2. Step 2: Convert to fraction form
    15,943.34/22,005.60 = 9,654.50/x
  3. Step 3: Cross multiply
    15,943.34x = 22,005.60 × 9,654.50
  4. Step 4: Simplify right side
    15,943.34x = 212,453,065.20
  5. Step 5: Solve for x
    x = 212,453,065.20/15,943.34
  6. Step 6: Final answer
    x = 13,325.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.