Home / 23,123.65-34,703.72-11,878.54

Finding the Fourth Proportional to 23,123.65, 34,703.72 and 11,878.54

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Solution

The fourth proportional to 23,123.65, 34,703.72 and 11,878.54 is: 17,827.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,123.65 : 34,703.72 = 11,878.54 : x
  2. Step 2: Convert to fraction form
    23,123.65/34,703.72 = 11,878.54/x
  3. Step 3: Cross multiply
    23,123.65x = 34,703.72 × 11,878.54
  4. Step 4: Simplify right side
    23,123.65x = 412,229,526.17
  5. Step 5: Solve for x
    x = 412,229,526.17/23,123.65
  6. Step 6: Final answer
    x = 17,827.18

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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.