Home / 19,817.49-27,348.75-10,865.46

Finding the Fourth Proportional to 19,817.49, 27,348.75 and 10,865.46

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Solution

The fourth proportional to 19,817.49, 27,348.75 and 10,865.46 is: 14,994.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,817.49 : 27,348.75 = 10,865.46 : x
  2. Step 2: Convert to fraction form
    19,817.49/27,348.75 = 10,865.46/x
  3. Step 3: Cross multiply
    19,817.49x = 27,348.75 × 10,865.46
  4. Step 4: Simplify right side
    19,817.49x = 297,156,749.18
  5. Step 5: Solve for x
    x = 297,156,749.18/19,817.49
  6. Step 6: Final answer
    x = 14,994.67

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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.