Home / 25,444.77-35,118.51-15,888.96

Finding the Fourth Proportional to 25,444.77, 35,118.51 and 15,888.96

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Solution

The fourth proportional to 25,444.77, 35,118.51 and 15,888.96 is: 21,929.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,444.77 : 35,118.51 = 15,888.96 : x
  2. Step 2: Convert to fraction form
    25,444.77/35,118.51 = 15,888.96/x
  3. Step 3: Cross multiply
    25,444.77x = 35,118.51 × 15,888.96
  4. Step 4: Simplify right side
    25,444.77x = 557,996,600.65
  5. Step 5: Solve for x
    x = 557,996,600.65/25,444.77
  6. Step 6: Final answer
    x = 21,929.72

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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.