Home / 15,569.68-21,486.28-8,496.16

Finding the Fourth Proportional to 15,569.68, 21,486.28 and 8,496.16

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Solution

The fourth proportional to 15,569.68, 21,486.28 and 8,496.16 is: 11,724.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,569.68 : 21,486.28 = 8,496.16 : x
  2. Step 2: Convert to fraction form
    15,569.68/21,486.28 = 8,496.16/x
  3. Step 3: Cross multiply
    15,569.68x = 21,486.28 × 8,496.16
  4. Step 4: Simplify right side
    15,569.68x = 182,550,872.68
  5. Step 5: Solve for x
    x = 182,550,872.68/15,569.68
  6. Step 6: Final answer
    x = 11,724.77

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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.