Home / 22,035.04-30,408.44-13,087

Finding the Fourth Proportional to 22,035.04, 30,408.44 and 13,087

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Solution

The fourth proportional to 22,035.04, 30,408.44 and 13,087 is: 18,060.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,035.04 : 30,408.44 = 13,087 : x
  2. Step 2: Convert to fraction form
    22,035.04/30,408.44 = 13,087/x
  3. Step 3: Cross multiply
    22,035.04x = 30,408.44 × 13,087
  4. Step 4: Simplify right side
    22,035.04x = 397,955,254.28
  5. Step 5: Solve for x
    x = 397,955,254.28/22,035.04
  6. Step 6: Final answer
    x = 18,060.11

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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.