Home / 15,444.17-21,175.41-15,296.54

Finding the Fourth Proportional to 15,444.17, 21,175.41 and 15,296.54

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Solution

The fourth proportional to 15,444.17, 21,175.41 and 15,296.54 is: 20,973.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,444.17 : 21,175.41 = 15,296.54 : x
  2. Step 2: Convert to fraction form
    15,444.17/21,175.41 = 15,296.54/x
  3. Step 3: Cross multiply
    15,444.17x = 21,175.41 × 15,296.54
  4. Step 4: Simplify right side
    15,444.17x = 323,910,457.57
  5. Step 5: Solve for x
    x = 323,910,457.57/15,444.17
  6. Step 6: Final answer
    x = 20,973.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.