Home / 35,072.87-52,616.16-12,886.43

Finding the Fourth Proportional to 35,072.87, 52,616.16 and 12,886.43

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Solution

The fourth proportional to 35,072.87, 52,616.16 and 12,886.43 is: 19,332.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,072.87 : 52,616.16 = 12,886.43 : x
  2. Step 2: Convert to fraction form
    35,072.87/52,616.16 = 12,886.43/x
  3. Step 3: Cross multiply
    35,072.87x = 52,616.16 × 12,886.43
  4. Step 4: Simplify right side
    35,072.87x = 678,034,199.63
  5. Step 5: Solve for x
    x = 678,034,199.63/35,072.87
  6. Step 6: Final answer
    x = 19,332.16

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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.