Home / 25,618.88-35,356.50-15,545.01

Finding the Fourth Proportional to 25,618.88, 35,356.50 and 15,545.01

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Solution

The fourth proportional to 25,618.88, 35,356.50 and 15,545.01 is: 21,453.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,618.88 : 35,356.50 = 15,545.01 : x
  2. Step 2: Convert to fraction form
    25,618.88/35,356.50 = 15,545.01/x
  3. Step 3: Cross multiply
    25,618.88x = 35,356.50 × 15,545.01
  4. Step 4: Simplify right side
    25,618.88x = 549,617,278.65
  5. Step 5: Solve for x
    x = 549,617,278.65/25,618.88
  6. Step 6: Final answer
    x = 21,453.60

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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.