Home / 15,841.15-21,859.30-9,466.47

Finding the Fourth Proportional to 15,841.15, 21,859.30 and 9,466.47

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Solution

The fourth proportional to 15,841.15, 21,859.30 and 9,466.47 is: 13,062.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,841.15 : 21,859.30 = 9,466.47 : x
  2. Step 2: Convert to fraction form
    15,841.15/21,859.30 = 9,466.47/x
  3. Step 3: Cross multiply
    15,841.15x = 21,859.30 × 9,466.47
  4. Step 4: Simplify right side
    15,841.15x = 206,930,501.48
  5. Step 5: Solve for x
    x = 206,930,501.48/15,841.15
  6. Step 6: Final answer
    x = 13,062.84

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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.