Home / 35,694.95-53,543.28-12,002.80

Finding the Fourth Proportional to 35,694.95, 53,543.28 and 12,002.80

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Solution

The fourth proportional to 35,694.95, 53,543.28 and 12,002.80 is: 18,004.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,694.95 : 53,543.28 = 12,002.80 : x
  2. Step 2: Convert to fraction form
    35,694.95/53,543.28 = 12,002.80/x
  3. Step 3: Cross multiply
    35,694.95x = 53,543.28 × 12,002.80
  4. Step 4: Simplify right side
    35,694.95x = 642,669,281.18
  5. Step 5: Solve for x
    x = 642,669,281.18/35,694.95
  6. Step 6: Final answer
    x = 18,004.49

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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.