Home / 15,263.10-21,058.38-8,547.66

Finding the Fourth Proportional to 15,263.10, 21,058.38 and 8,547.66

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Solution

The fourth proportional to 15,263.10, 21,058.38 and 8,547.66 is: 11,793.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,263.10 : 21,058.38 = 8,547.66 : x
  2. Step 2: Convert to fraction form
    15,263.10/21,058.38 = 8,547.66/x
  3. Step 3: Cross multiply
    15,263.10x = 21,058.38 × 8,547.66
  4. Step 4: Simplify right side
    15,263.10x = 179,999,872.39
  5. Step 5: Solve for x
    x = 179,999,872.39/15,263.10
  6. Step 6: Final answer
    x = 11,793.14

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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.