Home / 18,312.76-27,466.70-5,166.19

Finding the Fourth Proportional to 18,312.76, 27,466.70 and 5,166.19

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Solution

The fourth proportional to 18,312.76, 27,466.70 and 5,166.19 is: 7,748.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,312.76 : 27,466.70 = 5,166.19 : x
  2. Step 2: Convert to fraction form
    18,312.76/27,466.70 = 5,166.19/x
  3. Step 3: Cross multiply
    18,312.76x = 27,466.70 × 5,166.19
  4. Step 4: Simplify right side
    18,312.76x = 141,898,272.46
  5. Step 5: Solve for x
    x = 141,898,272.46/18,312.76
  6. Step 6: Final answer
    x = 7,748.60

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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.