Home / 24,176.78-33,362.28-13,420.81

Finding the Fourth Proportional to 24,176.78, 33,362.28 and 13,420.81

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Solution

The fourth proportional to 24,176.78, 33,362.28 and 13,420.81 is: 18,519.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,176.78 : 33,362.28 = 13,420.81 : x
  2. Step 2: Convert to fraction form
    24,176.78/33,362.28 = 13,420.81/x
  3. Step 3: Cross multiply
    24,176.78x = 33,362.28 × 13,420.81
  4. Step 4: Simplify right side
    24,176.78x = 447,748,737.64
  5. Step 5: Solve for x
    x = 447,748,737.64/24,176.78
  6. Step 6: Final answer
    x = 18,519.79

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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.