Home / 15,255.51-21,062.40-10,473.92

Finding the Fourth Proportional to 15,255.51, 21,062.40 and 10,473.92

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Solution

The fourth proportional to 15,255.51, 21,062.40 and 10,473.92 is: 14,460.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,255.51 : 21,062.40 = 10,473.92 : x
  2. Step 2: Convert to fraction form
    15,255.51/21,062.40 = 10,473.92/x
  3. Step 3: Cross multiply
    15,255.51x = 21,062.40 × 10,473.92
  4. Step 4: Simplify right side
    15,255.51x = 220,605,734.93
  5. Step 5: Solve for x
    x = 220,605,734.93/15,255.51
  6. Step 6: Final answer
    x = 14,460.73

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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.