Home / 19,809.03-27,336.67-10,856.34

Finding the Fourth Proportional to 19,809.03, 27,336.67 and 10,856.34

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Solution

The fourth proportional to 19,809.03, 27,336.67 and 10,856.34 is: 14,981.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,809.03 : 27,336.67 = 10,856.34 : x
  2. Step 2: Convert to fraction form
    19,809.03/27,336.67 = 10,856.34/x
  3. Step 3: Cross multiply
    19,809.03x = 27,336.67 × 10,856.34
  4. Step 4: Simplify right side
    19,809.03x = 296,776,047.30
  5. Step 5: Solve for x
    x = 296,776,047.30/19,809.03
  6. Step 6: Final answer
    x = 14,981.86

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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.