Home / 25,998.32-35,886.87-15,387.93

Finding the Fourth Proportional to 25,998.32, 35,886.87 and 15,387.93

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Solution

The fourth proportional to 25,998.32, 35,886.87 and 15,387.93 is: 21,240.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,998.32 : 35,886.87 = 15,387.93 : x
  2. Step 2: Convert to fraction form
    25,998.32/35,886.87 = 15,387.93/x
  3. Step 3: Cross multiply
    25,998.32x = 35,886.87 × 15,387.93
  4. Step 4: Simplify right side
    25,998.32x = 552,224,643.48
  5. Step 5: Solve for x
    x = 552,224,643.48/25,998.32
  6. Step 6: Final answer
    x = 21,240.79

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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.