Home / 15,285.51-22,929.75-5,422.48

Finding the Fourth Proportional to 15,285.51, 22,929.75 and 5,422.48

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Solution

The fourth proportional to 15,285.51, 22,929.75 and 5,422.48 is: 8,134.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,285.51 : 22,929.75 = 5,422.48 : x
  2. Step 2: Convert to fraction form
    15,285.51/22,929.75 = 5,422.48/x
  3. Step 3: Cross multiply
    15,285.51x = 22,929.75 × 5,422.48
  4. Step 4: Simplify right side
    15,285.51x = 124,336,053.46
  5. Step 5: Solve for x
    x = 124,336,053.46/15,285.51
  6. Step 6: Final answer
    x = 8,134.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.