Home / 18,587.68-25,643.70-10,625.64

Finding the Fourth Proportional to 18,587.68, 25,643.70 and 10,625.64

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Solution

The fourth proportional to 18,587.68, 25,643.70 and 10,625.64 is: 14,659.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,587.68 : 25,643.70 = 10,625.64 : x
  2. Step 2: Convert to fraction form
    18,587.68/25,643.70 = 10,625.64/x
  3. Step 3: Cross multiply
    18,587.68x = 25,643.70 × 10,625.64
  4. Step 4: Simplify right side
    18,587.68x = 272,480,724.47
  5. Step 5: Solve for x
    x = 272,480,724.47/18,587.68
  6. Step 6: Final answer
    x = 14,659.21

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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.