Home / 20,100.48-30,134.16-9,566.32

Finding the Fourth Proportional to 20,100.48, 30,134.16 and 9,566.32

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Solution

The fourth proportional to 20,100.48, 30,134.16 and 9,566.32 is: 14,341.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,100.48 : 30,134.16 = 9,566.32 : x
  2. Step 2: Convert to fraction form
    20,100.48/30,134.16 = 9,566.32/x
  3. Step 3: Cross multiply
    20,100.48x = 30,134.16 × 9,566.32
  4. Step 4: Simplify right side
    20,100.48x = 288,273,017.49
  5. Step 5: Solve for x
    x = 288,273,017.49/20,100.48
  6. Step 6: Final answer
    x = 14,341.60

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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.