Home / 38,968.81-58,453.23-9,386.63

Finding the Fourth Proportional to 38,968.81, 58,453.23 and 9,386.63

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Solution

The fourth proportional to 38,968.81, 58,453.23 and 9,386.63 is: 14,079.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,968.81 : 58,453.23 = 9,386.63 : x
  2. Step 2: Convert to fraction form
    38,968.81/58,453.23 = 9,386.63/x
  3. Step 3: Cross multiply
    38,968.81x = 58,453.23 × 9,386.63
  4. Step 4: Simplify right side
    38,968.81x = 548,679,080.45
  5. Step 5: Solve for x
    x = 548,679,080.45/38,968.81
  6. Step 6: Final answer
    x = 14,079.95

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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.