Home / 21,792.12-32,680.28-9,313.01

Finding the Fourth Proportional to 21,792.12, 32,680.28 and 9,313.01

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Solution

The fourth proportional to 21,792.12, 32,680.28 and 9,313.01 is: 13,966.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,792.12 : 32,680.28 = 9,313.01 : x
  2. Step 2: Convert to fraction form
    21,792.12/32,680.28 = 9,313.01/x
  3. Step 3: Cross multiply
    21,792.12x = 32,680.28 × 9,313.01
  4. Step 4: Simplify right side
    21,792.12x = 304,351,564.48
  5. Step 5: Solve for x
    x = 304,351,564.48/21,792.12
  6. Step 6: Final answer
    x = 13,966.13

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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.