Home / 19,352.76-29,029.14-5,312.85

Finding the Fourth Proportional to 19,352.76, 29,029.14 and 5,312.85

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Solution

The fourth proportional to 19,352.76, 29,029.14 and 5,312.85 is: 7,969.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,352.76 : 29,029.14 = 5,312.85 : x
  2. Step 2: Convert to fraction form
    19,352.76/29,029.14 = 5,312.85/x
  3. Step 3: Cross multiply
    19,352.76x = 29,029.14 × 5,312.85
  4. Step 4: Simplify right side
    19,352.76x = 154,227,466.45
  5. Step 5: Solve for x
    x = 154,227,466.45/19,352.76
  6. Step 6: Final answer
    x = 7,969.28

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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.