Home / 14,302.92-21,454.40-5,978.38

Finding the Fourth Proportional to 14,302.92, 21,454.40 and 5,978.38

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Solution

The fourth proportional to 14,302.92, 21,454.40 and 5,978.38 is: 8,967.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,302.92 : 21,454.40 = 5,978.38 : x
  2. Step 2: Convert to fraction form
    14,302.92/21,454.40 = 5,978.38/x
  3. Step 3: Cross multiply
    14,302.92x = 21,454.40 × 5,978.38
  4. Step 4: Simplify right side
    14,302.92x = 128,262,555.87
  5. Step 5: Solve for x
    x = 128,262,555.87/14,302.92
  6. Step 6: Final answer
    x = 8,967.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.