Home / 35,972.72-53,983.04-12,599.12

Finding the Fourth Proportional to 35,972.72, 53,983.04 and 12,599.12

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Solution

The fourth proportional to 35,972.72, 53,983.04 and 12,599.12 is: 18,907.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,972.72 : 53,983.04 = 12,599.12 : x
  2. Step 2: Convert to fraction form
    35,972.72/53,983.04 = 12,599.12/x
  3. Step 3: Cross multiply
    35,972.72x = 53,983.04 × 12,599.12
  4. Step 4: Simplify right side
    35,972.72x = 680,138,798.92
  5. Step 5: Solve for x
    x = 680,138,798.92/35,972.72
  6. Step 6: Final answer
    x = 18,907.07

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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.