Home / 25,240.04-34,831.31-15,168.64

Finding the Fourth Proportional to 25,240.04, 34,831.31 and 15,168.64

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Solution

The fourth proportional to 25,240.04, 34,831.31 and 15,168.64 is: 20,932.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,240.04 : 34,831.31 = 15,168.64 : x
  2. Step 2: Convert to fraction form
    25,240.04/34,831.31 = 15,168.64/x
  3. Step 3: Cross multiply
    25,240.04x = 34,831.31 × 15,168.64
  4. Step 4: Simplify right side
    25,240.04x = 528,343,352.12
  5. Step 5: Solve for x
    x = 528,343,352.12/25,240.04
  6. Step 6: Final answer
    x = 20,932.75

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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.