Home / 25,798.88-35,591.49-15,725.91

Finding the Fourth Proportional to 25,798.88, 35,591.49 and 15,725.91

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Solution

The fourth proportional to 25,798.88, 35,591.49 and 15,725.91 is: 21,695.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,798.88 : 35,591.49 = 15,725.91 : x
  2. Step 2: Convert to fraction form
    25,798.88/35,591.49 = 15,725.91/x
  3. Step 3: Cross multiply
    25,798.88x = 35,591.49 × 15,725.91
  4. Step 4: Simplify right side
    25,798.88x = 559,708,568.51
  5. Step 5: Solve for x
    x = 559,708,568.51/25,798.88
  6. Step 6: Final answer
    x = 21,695.08

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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.