Home / 15,108.88-22,663.31-4,720.63

Finding the Fourth Proportional to 15,108.88, 22,663.31 and 4,720.63

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Solution

The fourth proportional to 15,108.88, 22,663.31 and 4,720.63 is: 7,080.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,108.88 : 22,663.31 = 4,720.63 : x
  2. Step 2: Convert to fraction form
    15,108.88/22,663.31 = 4,720.63/x
  3. Step 3: Cross multiply
    15,108.88x = 22,663.31 × 4,720.63
  4. Step 4: Simplify right side
    15,108.88x = 106,984,994.26
  5. Step 5: Solve for x
    x = 106,984,994.26/15,108.88
  6. Step 6: Final answer
    x = 7,080.94

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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.