Home / 25,867.79-35,693.21-15,259.52

Finding the Fourth Proportional to 25,867.79, 35,693.21 and 15,259.52

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Solution

The fourth proportional to 25,867.79, 35,693.21 and 15,259.52 is: 21,055.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,867.79 : 35,693.21 = 15,259.52 : x
  2. Step 2: Convert to fraction form
    25,867.79/35,693.21 = 15,259.52/x
  3. Step 3: Cross multiply
    25,867.79x = 35,693.21 × 15,259.52
  4. Step 4: Simplify right side
    25,867.79x = 544,660,997.10
  5. Step 5: Solve for x
    x = 544,660,997.10/25,867.79
  6. Step 6: Final answer
    x = 21,055.57

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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.