Home / 19,554.75-29,331.55-4,763.46

Finding the Fourth Proportional to 19,554.75, 29,331.55 and 4,763.46

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Solution

The fourth proportional to 19,554.75, 29,331.55 and 4,763.46 is: 7,145.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,554.75 : 29,331.55 = 4,763.46 : x
  2. Step 2: Convert to fraction form
    19,554.75/29,331.55 = 4,763.46/x
  3. Step 3: Cross multiply
    19,554.75x = 29,331.55 × 4,763.46
  4. Step 4: Simplify right side
    19,554.75x = 139,719,665.16
  5. Step 5: Solve for x
    x = 139,719,665.16/19,554.75
  6. Step 6: Final answer
    x = 7,145.05

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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.