Home / 23,065.48-31,831.12-13,506.32

Finding the Fourth Proportional to 23,065.48, 31,831.12 and 13,506.32

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Solution

The fourth proportional to 23,065.48, 31,831.12 and 13,506.32 is: 18,639.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,065.48 : 31,831.12 = 13,506.32 : x
  2. Step 2: Convert to fraction form
    23,065.48/31,831.12 = 13,506.32/x
  3. Step 3: Cross multiply
    23,065.48x = 31,831.12 × 13,506.32
  4. Step 4: Simplify right side
    23,065.48x = 429,921,292.68
  5. Step 5: Solve for x
    x = 429,921,292.68/23,065.48
  6. Step 6: Final answer
    x = 18,639.17

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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.