Home / 15,993.60-22,080.48-10,697.28

Finding the Fourth Proportional to 15,993.60, 22,080.48 and 10,697.28

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Solution

The fourth proportional to 15,993.60, 22,080.48 and 10,697.28 is: 14,768.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,993.60 : 22,080.48 = 10,697.28 : x
  2. Step 2: Convert to fraction form
    15,993.60/22,080.48 = 10,697.28/x
  3. Step 3: Cross multiply
    15,993.60x = 22,080.48 × 10,697.28
  4. Step 4: Simplify right side
    15,993.60x = 236,201,077.09
  5. Step 5: Solve for x
    x = 236,201,077.09/15,993.60
  6. Step 6: Final answer
    x = 14,768.47

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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.