Home / 35,389.17-53,081.96-13,200.80

Finding the Fourth Proportional to 35,389.17, 53,081.96 and 13,200.80

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Solution

The fourth proportional to 35,389.17, 53,081.96 and 13,200.80 is: 19,800.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,389.17 : 53,081.96 = 13,200.80 : x
  2. Step 2: Convert to fraction form
    35,389.17/53,081.96 = 13,200.80/x
  3. Step 3: Cross multiply
    35,389.17x = 53,081.96 × 13,200.80
  4. Step 4: Simplify right side
    35,389.17x = 700,724,006.15
  5. Step 5: Solve for x
    x = 700,724,006.15/35,389.17
  6. Step 6: Final answer
    x = 19,800.52

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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.