Home / 25,106.23-34,630.65-15,411.43

Finding the Fourth Proportional to 25,106.23, 34,630.65 and 15,411.43

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Solution

The fourth proportional to 25,106.23, 34,630.65 and 15,411.43 is: 21,257.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,106.23 : 34,630.65 = 15,411.43 : x
  2. Step 2: Convert to fraction form
    25,106.23/34,630.65 = 15,411.43/x
  3. Step 3: Cross multiply
    25,106.23x = 34,630.65 × 15,411.43
  4. Step 4: Simplify right side
    25,106.23x = 533,707,838.33
  5. Step 5: Solve for x
    x = 533,707,838.33/25,106.23
  6. Step 6: Final answer
    x = 21,257.98

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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.