Home / 27,806.37-38,344.02-19,318.11

Finding the Fourth Proportional to 27,806.37, 38,344.02 and 19,318.11

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Solution

The fourth proportional to 27,806.37, 38,344.02 and 19,318.11 is: 26,639.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,806.37 : 38,344.02 = 19,318.11 : x
  2. Step 2: Convert to fraction form
    27,806.37/38,344.02 = 19,318.11/x
  3. Step 3: Cross multiply
    27,806.37x = 38,344.02 × 19,318.11
  4. Step 4: Simplify right side
    27,806.37x = 740,733,996.20
  5. Step 5: Solve for x
    x = 740,733,996.20/27,806.37
  6. Step 6: Final answer
    x = 26,639.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.