Home / 38,322.02-57,491.69-11,670.40

Finding the Fourth Proportional to 38,322.02, 57,491.69 and 11,670.40

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Solution

The fourth proportional to 38,322.02, 57,491.69 and 11,670.40 is: 17,508.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,322.02 : 57,491.69 = 11,670.40 : x
  2. Step 2: Convert to fraction form
    38,322.02/57,491.69 = 11,670.40/x
  3. Step 3: Cross multiply
    38,322.02x = 57,491.69 × 11,670.40
  4. Step 4: Simplify right side
    38,322.02x = 670,950,816.89
  5. Step 5: Solve for x
    x = 670,950,816.89/38,322.02
  6. Step 6: Final answer
    x = 17,508.23

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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.