Home / 25,620.95-35,351.54-15,554.69

Finding the Fourth Proportional to 25,620.95, 35,351.54 and 15,554.69

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Solution

The fourth proportional to 25,620.95, 35,351.54 and 15,554.69 is: 21,462.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,620.95 : 35,351.54 = 15,554.69 : x
  2. Step 2: Convert to fraction form
    25,620.95/35,351.54 = 15,554.69/x
  3. Step 3: Cross multiply
    25,620.95x = 35,351.54 × 15,554.69
  4. Step 4: Simplify right side
    25,620.95x = 549,882,167.95
  5. Step 5: Solve for x
    x = 549,882,167.95/25,620.95
  6. Step 6: Final answer
    x = 21,462.21

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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.