Home / 18,312.98-27,471.63-5,828.63

Finding the Fourth Proportional to 18,312.98, 27,471.63 and 5,828.63

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Solution

The fourth proportional to 18,312.98, 27,471.63 and 5,828.63 is: 8,743.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,312.98 : 27,471.63 = 5,828.63 : x
  2. Step 2: Convert to fraction form
    18,312.98/27,471.63 = 5,828.63/x
  3. Step 3: Cross multiply
    18,312.98x = 27,471.63 × 5,828.63
  4. Step 4: Simplify right side
    18,312.98x = 160,121,829.41
  5. Step 5: Solve for x
    x = 160,121,829.41/18,312.98
  6. Step 6: Final answer
    x = 8,743.63

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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.