Home / 39,710.07-59,570.85-13,422.33

Finding the Fourth Proportional to 39,710.07, 59,570.85 and 13,422.33

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Solution

The fourth proportional to 39,710.07, 59,570.85 and 13,422.33 is: 20,135.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,710.07 : 59,570.85 = 13,422.33 : x
  2. Step 2: Convert to fraction form
    39,710.07/59,570.85 = 13,422.33/x
  3. Step 3: Cross multiply
    39,710.07x = 59,570.85 × 13,422.33
  4. Step 4: Simplify right side
    39,710.07x = 799,579,607.08
  5. Step 5: Solve for x
    x = 799,579,607.08/39,710.07
  6. Step 6: Final answer
    x = 20,135.44

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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.