Home / 35,354.88-52,988.16-15,621.12

Finding the Fourth Proportional to 35,354.88, 52,988.16 and 15,621.12

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Solution

The fourth proportional to 35,354.88, 52,988.16 and 15,621.12 is: 23,412.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,354.88 : 52,988.16 = 15,621.12 : x
  2. Step 2: Convert to fraction form
    35,354.88/52,988.16 = 15,621.12/x
  3. Step 3: Cross multiply
    35,354.88x = 52,988.16 × 15,621.12
  4. Step 4: Simplify right side
    35,354.88x = 827,734,405.94
  5. Step 5: Solve for x
    x = 827,734,405.94/35,354.88
  6. Step 6: Final answer
    x = 23,412.17

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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.