Home / 15,570.46-21,486.66-8,496.74

Finding the Fourth Proportional to 15,570.46, 21,486.66 and 8,496.74

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Solution

The fourth proportional to 15,570.46, 21,486.66 and 8,496.74 is: 11,725.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,570.46 : 21,486.66 = 8,496.74 : x
  2. Step 2: Convert to fraction form
    15,570.46/21,486.66 = 8,496.74/x
  3. Step 3: Cross multiply
    15,570.46x = 21,486.66 × 8,496.74
  4. Step 4: Simplify right side
    15,570.46x = 182,566,563.49
  5. Step 5: Solve for x
    x = 182,566,563.49/15,570.46
  6. Step 6: Final answer
    x = 11,725.19

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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.