Home / 15,655.36-21,604.62-9,366.52

Finding the Fourth Proportional to 15,655.36, 21,604.62 and 9,366.52

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Solution

The fourth proportional to 15,655.36, 21,604.62 and 9,366.52 is: 12,925.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,655.36 : 21,604.62 = 9,366.52 : x
  2. Step 2: Convert to fraction form
    15,655.36/21,604.62 = 9,366.52/x
  3. Step 3: Cross multiply
    15,655.36x = 21,604.62 × 9,366.52
  4. Step 4: Simplify right side
    15,655.36x = 202,360,105.32
  5. Step 5: Solve for x
    x = 202,360,105.32/15,655.36
  6. Step 6: Final answer
    x = 12,925.93

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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.