Home / 19,766.12-29,643.08-10,401.05

Finding the Fourth Proportional to 19,766.12, 29,643.08 and 10,401.05

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Solution

The fourth proportional to 19,766.12, 29,643.08 and 10,401.05 is: 15,598.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,766.12 : 29,643.08 = 10,401.05 : x
  2. Step 2: Convert to fraction form
    19,766.12/29,643.08 = 10,401.05/x
  3. Step 3: Cross multiply
    19,766.12x = 29,643.08 × 10,401.05
  4. Step 4: Simplify right side
    19,766.12x = 308,319,179.34
  5. Step 5: Solve for x
    x = 308,319,179.34/19,766.12
  6. Step 6: Final answer
    x = 15,598.37

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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.