Home / 27,806.81-41,681.05-13,003.25

Finding the Fourth Proportional to 27,806.81, 41,681.05 and 13,003.25

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Solution

The fourth proportional to 27,806.81, 41,681.05 and 13,003.25 is: 19,491.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,806.81 : 41,681.05 = 13,003.25 : x
  2. Step 2: Convert to fraction form
    27,806.81/41,681.05 = 13,003.25/x
  3. Step 3: Cross multiply
    27,806.81x = 41,681.05 × 13,003.25
  4. Step 4: Simplify right side
    27,806.81x = 541,989,113.41
  5. Step 5: Solve for x
    x = 541,989,113.41/27,806.81
  6. Step 6: Final answer
    x = 19,491.24

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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.