Home / 15,070.12-22,606.44-5,205.40

Finding the Fourth Proportional to 15,070.12, 22,606.44 and 5,205.40

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Solution

The fourth proportional to 15,070.12, 22,606.44 and 5,205.40 is: 7,808.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,070.12 : 22,606.44 = 5,205.40 : x
  2. Step 2: Convert to fraction form
    15,070.12/22,606.44 = 5,205.40/x
  3. Step 3: Cross multiply
    15,070.12x = 22,606.44 × 5,205.40
  4. Step 4: Simplify right side
    15,070.12x = 117,675,562.78
  5. Step 5: Solve for x
    x = 117,675,562.78/15,070.12
  6. Step 6: Final answer
    x = 7,808.54

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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.