Home / 22,678.32-31,302.24-14,720.06

Finding the Fourth Proportional to 22,678.32, 31,302.24 and 14,720.06

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Solution

The fourth proportional to 22,678.32, 31,302.24 and 14,720.06 is: 20,317.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,678.32 : 31,302.24 = 14,720.06 : x
  2. Step 2: Convert to fraction form
    22,678.32/31,302.24 = 14,720.06/x
  3. Step 3: Cross multiply
    22,678.32x = 31,302.24 × 14,720.06
  4. Step 4: Simplify right side
    22,678.32x = 460,770,850.93
  5. Step 5: Solve for x
    x = 460,770,850.93/22,678.32
  6. Step 6: Final answer
    x = 20,317.68

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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.