Home / 14,088.78-19,442.61-7,801.26

Finding the Fourth Proportional to 14,088.78, 19,442.61 and 7,801.26

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Solution

The fourth proportional to 14,088.78, 19,442.61 and 7,801.26 is: 10,765.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,088.78 : 19,442.61 = 7,801.26 : x
  2. Step 2: Convert to fraction form
    14,088.78/19,442.61 = 7,801.26/x
  3. Step 3: Cross multiply
    14,088.78x = 19,442.61 × 7,801.26
  4. Step 4: Simplify right side
    14,088.78x = 151,676,855.69
  5. Step 5: Solve for x
    x = 151,676,855.69/14,088.78
  6. Step 6: Final answer
    x = 10,765.79

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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.