Home / 25,106.55-34,648.12-15,036.63

Finding the Fourth Proportional to 25,106.55, 34,648.12 and 15,036.63

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Solution

The fourth proportional to 25,106.55, 34,648.12 and 15,036.63 is: 20,751.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,106.55 : 34,648.12 = 15,036.63 : x
  2. Step 2: Convert to fraction form
    25,106.55/34,648.12 = 15,036.63/x
  3. Step 3: Cross multiply
    25,106.55x = 34,648.12 × 15,036.63
  4. Step 4: Simplify right side
    25,106.55x = 520,990,960.64
  5. Step 5: Solve for x
    x = 520,990,960.64/25,106.55
  6. Step 6: Final answer
    x = 20,751.20

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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.