Home / 35,519.95-53,266.01-13,321.23

Finding the Fourth Proportional to 35,519.95, 53,266.01 and 13,321.23

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Solution

The fourth proportional to 35,519.95, 53,266.01 and 13,321.23 is: 19,976.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,519.95 : 53,266.01 = 13,321.23 : x
  2. Step 2: Convert to fraction form
    35,519.95/53,266.01 = 13,321.23/x
  3. Step 3: Cross multiply
    35,519.95x = 53,266.01 × 13,321.23
  4. Step 4: Simplify right side
    35,519.95x = 709,568,437.46
  5. Step 5: Solve for x
    x = 709,568,437.46/35,519.95
  6. Step 6: Final answer
    x = 19,976.62

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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.