Home / 15,006.48-20,709.17-8,292.26

Finding the Fourth Proportional to 15,006.48, 20,709.17 and 8,292.26

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Solution

The fourth proportional to 15,006.48, 20,709.17 and 8,292.26 is: 11,443.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,006.48 : 20,709.17 = 8,292.26 : x
  2. Step 2: Convert to fraction form
    15,006.48/20,709.17 = 8,292.26/x
  3. Step 3: Cross multiply
    15,006.48x = 20,709.17 × 8,292.26
  4. Step 4: Simplify right side
    15,006.48x = 171,725,832.34
  5. Step 5: Solve for x
    x = 171,725,832.34/15,006.48
  6. Step 6: Final answer
    x = 11,443.45

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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.