Home / 25,617.21-35,354.99-15,545.07

Finding the Fourth Proportional to 25,617.21, 35,354.99 and 15,545.07

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Solution

The fourth proportional to 25,617.21, 35,354.99 and 15,545.07 is: 21,454.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,617.21 : 35,354.99 = 15,545.07 : x
  2. Step 2: Convert to fraction form
    25,617.21/35,354.99 = 15,545.07/x
  3. Step 3: Cross multiply
    25,617.21x = 35,354.99 × 15,545.07
  4. Step 4: Simplify right side
    25,617.21x = 549,595,994.99
  5. Step 5: Solve for x
    x = 549,595,994.99/25,617.21
  6. Step 6: Final answer
    x = 21,454.17

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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.