Home / 15,968.91-22,035.42-9,835.64

Finding the Fourth Proportional to 15,968.91, 22,035.42 and 9,835.64

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Solution

The fourth proportional to 15,968.91, 22,035.42 and 9,835.64 is: 13,572.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,968.91 : 22,035.42 = 9,835.64 : x
  2. Step 2: Convert to fraction form
    15,968.91/22,035.42 = 9,835.64/x
  3. Step 3: Cross multiply
    15,968.91x = 22,035.42 × 9,835.64
  4. Step 4: Simplify right side
    15,968.91x = 216,732,348.19
  5. Step 5: Solve for x
    x = 216,732,348.19/15,968.91
  6. Step 6: Final answer
    x = 13,572.14

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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.