Home / 22,299.93-30,774.33-13,347.81

Finding the Fourth Proportional to 22,299.93, 30,774.33 and 13,347.81

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Solution

The fourth proportional to 22,299.93, 30,774.33 and 13,347.81 is: 18,420.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,299.93 : 30,774.33 = 13,347.81 : x
  2. Step 2: Convert to fraction form
    22,299.93/30,774.33 = 13,347.81/x
  3. Step 3: Cross multiply
    22,299.93x = 30,774.33 × 13,347.81
  4. Step 4: Simplify right side
    22,299.93x = 410,769,909.72
  5. Step 5: Solve for x
    x = 410,769,909.72/22,299.93
  6. Step 6: Final answer
    x = 18,420.23

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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.