Home / 15,071.48-22,695.65-13,146.68

Finding the Fourth Proportional to 15,071.48, 22,695.65 and 13,146.68

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Solution

The fourth proportional to 15,071.48, 22,695.65 and 13,146.68 is: 19,797.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,071.48 : 22,695.65 = 13,146.68 : x
  2. Step 2: Convert to fraction form
    15,071.48/22,695.65 = 13,146.68/x
  3. Step 3: Cross multiply
    15,071.48x = 22,695.65 × 13,146.68
  4. Step 4: Simplify right side
    15,071.48x = 298,372,447.94
  5. Step 5: Solve for x
    x = 298,372,447.94/15,071.48
  6. Step 6: Final answer
    x = 19,797.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.