Home / 22,242.66-30,624.93-18,878.46

Finding the Fourth Proportional to 22,242.66, 30,624.93 and 18,878.46

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Solution

The fourth proportional to 22,242.66, 30,624.93 and 18,878.46 is: 25,992.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,242.66 : 30,624.93 = 18,878.46 : x
  2. Step 2: Convert to fraction form
    22,242.66/30,624.93 = 18,878.46/x
  3. Step 3: Cross multiply
    22,242.66x = 30,624.93 × 18,878.46
  4. Step 4: Simplify right side
    22,242.66x = 578,151,516.01
  5. Step 5: Solve for x
    x = 578,151,516.01/22,242.66
  6. Step 6: Final answer
    x = 25,992.91

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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.