Home / 14,632.56-20,129.13-12,831.93

Finding the Fourth Proportional to 14,632.56, 20,129.13 and 12,831.93

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Solution

The fourth proportional to 14,632.56, 20,129.13 and 12,831.93 is: 17,652.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,632.56 : 20,129.13 = 12,831.93 : x
  2. Step 2: Convert to fraction form
    14,632.56/20,129.13 = 12,831.93/x
  3. Step 3: Cross multiply
    14,632.56x = 20,129.13 × 12,831.93
  4. Step 4: Simplify right side
    14,632.56x = 258,295,587.12
  5. Step 5: Solve for x
    x = 258,295,587.12/14,632.56
  6. Step 6: Final answer
    x = 17,652.11

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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.