Home / 23,012.83-31,758.13-13,453.53

Finding the Fourth Proportional to 23,012.83, 31,758.13 and 13,453.53

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Solution

The fourth proportional to 23,012.83, 31,758.13 and 13,453.53 is: 18,566.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,012.83 : 31,758.13 = 13,453.53 : x
  2. Step 2: Convert to fraction form
    23,012.83/31,758.13 = 13,453.53/x
  3. Step 3: Cross multiply
    23,012.83x = 31,758.13 × 13,453.53
  4. Step 4: Simplify right side
    23,012.83x = 427,258,954.70
  5. Step 5: Solve for x
    x = 427,258,954.70/23,012.83
  6. Step 6: Final answer
    x = 18,566.12

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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.