Home / 39,738.06-59,570.01-13,424.40

Finding the Fourth Proportional to 39,738.06, 59,570.01 and 13,424.40

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Solution

The fourth proportional to 39,738.06, 59,570.01 and 13,424.40 is: 20,124.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,738.06 : 59,570.01 = 13,424.40 : x
  2. Step 2: Convert to fraction form
    39,738.06/59,570.01 = 13,424.40/x
  3. Step 3: Cross multiply
    39,738.06x = 59,570.01 × 13,424.40
  4. Step 4: Simplify right side
    39,738.06x = 799,691,642.24
  5. Step 5: Solve for x
    x = 799,691,642.24/39,738.06
  6. Step 6: Final answer
    x = 20,124.07

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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.