Home / 15,068.80-20,801.32-9,099.24

Finding the Fourth Proportional to 15,068.80, 20,801.32 and 9,099.24

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Solution

The fourth proportional to 15,068.80, 20,801.32 and 9,099.24 is: 12,560.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,068.80 : 20,801.32 = 9,099.24 : x
  2. Step 2: Convert to fraction form
    15,068.80/20,801.32 = 9,099.24/x
  3. Step 3: Cross multiply
    15,068.80x = 20,801.32 × 9,099.24
  4. Step 4: Simplify right side
    15,068.80x = 189,276,203.00
  5. Step 5: Solve for x
    x = 189,276,203.00/15,068.80
  6. Step 6: Final answer
    x = 12,560.80

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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.