Home / 15,261.92-21,058.99-8,547.53

Finding the Fourth Proportional to 15,261.92, 21,058.99 and 8,547.53

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Solution

The fourth proportional to 15,261.92, 21,058.99 and 8,547.53 is: 11,794.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,261.92 : 21,058.99 = 8,547.53 : x
  2. Step 2: Convert to fraction form
    15,261.92/21,058.99 = 8,547.53/x
  3. Step 3: Cross multiply
    15,261.92x = 21,058.99 × 8,547.53
  4. Step 4: Simplify right side
    15,261.92x = 180,002,222.13
  5. Step 5: Solve for x
    x = 180,002,222.13/15,261.92
  6. Step 6: Final answer
    x = 11,794.21

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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.