Home / 15,436.36-21,300.91-9,062.26

Finding the Fourth Proportional to 15,436.36, 21,300.91 and 9,062.26

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Solution

The fourth proportional to 15,436.36, 21,300.91 and 9,062.26 is: 12,505.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,436.36 : 21,300.91 = 9,062.26 : x
  2. Step 2: Convert to fraction form
    15,436.36/21,300.91 = 9,062.26/x
  3. Step 3: Cross multiply
    15,436.36x = 21,300.91 × 9,062.26
  4. Step 4: Simplify right side
    15,436.36x = 193,034,384.66
  5. Step 5: Solve for x
    x = 193,034,384.66/15,436.36
  6. Step 6: Final answer
    x = 12,505.18

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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.