Home / 25,309.06-34,924.96-15,240.76

Finding the Fourth Proportional to 25,309.06, 34,924.96 and 15,240.76

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Solution

The fourth proportional to 25,309.06, 34,924.96 and 15,240.76 is: 21,031.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,309.06 : 34,924.96 = 15,240.76 : x
  2. Step 2: Convert to fraction form
    25,309.06/34,924.96 = 15,240.76/x
  3. Step 3: Cross multiply
    25,309.06x = 34,924.96 × 15,240.76
  4. Step 4: Simplify right side
    25,309.06x = 532,282,933.37
  5. Step 5: Solve for x
    x = 532,282,933.37/25,309.06
  6. Step 6: Final answer
    x = 21,031.32

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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.