Home / 25,616.50-35,347.34-15,545.37

Finding the Fourth Proportional to 25,616.50, 35,347.34 and 15,545.37

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Solution

The fourth proportional to 25,616.50, 35,347.34 and 15,545.37 is: 21,450.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,616.50 : 35,347.34 = 15,545.37 : x
  2. Step 2: Convert to fraction form
    25,616.50/35,347.34 = 15,545.37/x
  3. Step 3: Cross multiply
    25,616.50x = 35,347.34 × 15,545.37
  4. Step 4: Simplify right side
    25,616.50x = 549,487,363.96
  5. Step 5: Solve for x
    x = 549,487,363.96/25,616.50
  6. Step 6: Final answer
    x = 21,450.52

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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.