Home / 35,876.70-53,808.57-13,685.13

Finding the Fourth Proportional to 35,876.70, 53,808.57 and 13,685.13

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Solution

The fourth proportional to 35,876.70, 53,808.57 and 13,685.13 is: 20,525.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,876.70 : 53,808.57 = 13,685.13 : x
  2. Step 2: Convert to fraction form
    35,876.70/53,808.57 = 13,685.13/x
  3. Step 3: Cross multiply
    35,876.70x = 53,808.57 × 13,685.13
  4. Step 4: Simplify right side
    35,876.70x = 736,377,275.56
  5. Step 5: Solve for x
    x = 736,377,275.56/35,876.70
  6. Step 6: Final answer
    x = 20,525.22

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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.