Home / 25,966.44-35,831.97-15,209.64

Finding the Fourth Proportional to 25,966.44, 35,831.97 and 15,209.64

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Solution

The fourth proportional to 25,966.44, 35,831.97 and 15,209.64 is: 20,988.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,966.44 : 35,831.97 = 15,209.64 : x
  2. Step 2: Convert to fraction form
    25,966.44/35,831.97 = 15,209.64/x
  3. Step 3: Cross multiply
    25,966.44x = 35,831.97 × 15,209.64
  4. Step 4: Simplify right side
    25,966.44x = 544,991,364.19
  5. Step 5: Solve for x
    x = 544,991,364.19/25,966.44
  6. Step 6: Final answer
    x = 20,988.30

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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.