Home / 23,111.04-31,881.96-14,155.68

Finding the Fourth Proportional to 23,111.04, 31,881.96 and 14,155.68

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Solution

The fourth proportional to 23,111.04, 31,881.96 and 14,155.68 is: 19,527.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,111.04 : 31,881.96 = 14,155.68 : x
  2. Step 2: Convert to fraction form
    23,111.04/31,881.96 = 14,155.68/x
  3. Step 3: Cross multiply
    23,111.04x = 31,881.96 × 14,155.68
  4. Step 4: Simplify right side
    23,111.04x = 451,310,823.53
  5. Step 5: Solve for x
    x = 451,310,823.53/23,111.04
  6. Step 6: Final answer
    x = 19,527.93

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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.