Home / 14,831.48-20,472-8,548.04

Finding the Fourth Proportional to 14,831.48, 20,472 and 8,548.04

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Solution

The fourth proportional to 14,831.48, 20,472 and 8,548.04 is: 11,798.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,831.48 : 20,472 = 8,548.04 : x
  2. Step 2: Convert to fraction form
    14,831.48/20,472 = 8,548.04/x
  3. Step 3: Cross multiply
    14,831.48x = 20,472 × 8,548.04
  4. Step 4: Simplify right side
    14,831.48x = 174,995,474.88
  5. Step 5: Solve for x
    x = 174,995,474.88/14,831.48
  6. Step 6: Final answer
    x = 11,798.92

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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.