Home / 16,831.72-23,228.58-10,117.72

Finding the Fourth Proportional to 16,831.72, 23,228.58 and 10,117.72

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Solution

The fourth proportional to 16,831.72, 23,228.58 and 10,117.72 is: 13,962.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,831.72 : 23,228.58 = 10,117.72 : x
  2. Step 2: Convert to fraction form
    16,831.72/23,228.58 = 10,117.72/x
  3. Step 3: Cross multiply
    16,831.72x = 23,228.58 × 10,117.72
  4. Step 4: Simplify right side
    16,831.72x = 235,020,268.44
  5. Step 5: Solve for x
    x = 235,020,268.44/16,831.72
  6. Step 6: Final answer
    x = 13,962.94

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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.