Home / 23,140.32-34,728.72-11,895.21

Finding the Fourth Proportional to 23,140.32, 34,728.72 and 11,895.21

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Solution

The fourth proportional to 23,140.32, 34,728.72 and 11,895.21 is: 17,852.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,140.32 : 34,728.72 = 11,895.21 : x
  2. Step 2: Convert to fraction form
    23,140.32/34,728.72 = 11,895.21/x
  3. Step 3: Cross multiply
    23,140.32x = 34,728.72 × 11,895.21
  4. Step 4: Simplify right side
    23,140.32x = 413,105,417.43
  5. Step 5: Solve for x
    x = 413,105,417.43/23,140.32
  6. Step 6: Final answer
    x = 17,852.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.