Home / 19,840.76-27,381.03-10,888.58

Finding the Fourth Proportional to 19,840.76, 27,381.03 and 10,888.58

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Solution

The fourth proportional to 19,840.76, 27,381.03 and 10,888.58 is: 15,026.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,840.76 : 27,381.03 = 10,888.58 : x
  2. Step 2: Convert to fraction form
    19,840.76/27,381.03 = 10,888.58/x
  3. Step 3: Cross multiply
    19,840.76x = 27,381.03 × 10,888.58
  4. Step 4: Simplify right side
    19,840.76x = 298,140,398.73
  5. Step 5: Solve for x
    x = 298,140,398.73/19,840.76
  6. Step 6: Final answer
    x = 15,026.67

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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.