Home / 27,667.67-38,223.02-18,130.22

Finding the Fourth Proportional to 27,667.67, 38,223.02 and 18,130.22

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Solution

The fourth proportional to 27,667.67, 38,223.02 and 18,130.22 is: 25,046.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,667.67 : 38,223.02 = 18,130.22 : x
  2. Step 2: Convert to fraction form
    27,667.67/38,223.02 = 18,130.22/x
  3. Step 3: Cross multiply
    27,667.67x = 38,223.02 × 18,130.22
  4. Step 4: Simplify right side
    27,667.67x = 692,991,479.90
  5. Step 5: Solve for x
    x = 692,991,479.90/27,667.67
  6. Step 6: Final answer
    x = 25,046.98

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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.