Home / 19,417.50-29,126.25-4,825.50

Finding the Fourth Proportional to 19,417.50, 29,126.25 and 4,825.50

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Solution

The fourth proportional to 19,417.50, 29,126.25 and 4,825.50 is: 7,238.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,417.50 : 29,126.25 = 4,825.50 : x
  2. Step 2: Convert to fraction form
    19,417.50/29,126.25 = 4,825.50/x
  3. Step 3: Cross multiply
    19,417.50x = 29,126.25 × 4,825.50
  4. Step 4: Simplify right side
    19,417.50x = 140,548,719.38
  5. Step 5: Solve for x
    x = 140,548,719.38/19,417.50
  6. Step 6: Final answer
    x = 7,238.25

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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.