Home / 16,831.30-25,246.95-5,148.10

Finding the Fourth Proportional to 16,831.30, 25,246.95 and 5,148.10

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Solution

The fourth proportional to 16,831.30, 25,246.95 and 5,148.10 is: 7,722.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,831.30 : 25,246.95 = 5,148.10 : x
  2. Step 2: Convert to fraction form
    16,831.30/25,246.95 = 5,148.10/x
  3. Step 3: Cross multiply
    16,831.30x = 25,246.95 × 5,148.10
  4. Step 4: Simplify right side
    16,831.30x = 129,973,823.30
  5. Step 5: Solve for x
    x = 129,973,823.30/16,831.30
  6. Step 6: Final answer
    x = 7,722.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.