Home / 15,848.35-21,869.20-9,473.67

Finding the Fourth Proportional to 15,848.35, 21,869.20 and 9,473.67

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Solution

The fourth proportional to 15,848.35, 21,869.20 and 9,473.67 is: 13,072.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,848.35 : 21,869.20 = 9,473.67 : x
  2. Step 2: Convert to fraction form
    15,848.35/21,869.20 = 9,473.67/x
  3. Step 3: Cross multiply
    15,848.35x = 21,869.20 × 9,473.67
  4. Step 4: Simplify right side
    15,848.35x = 207,181,583.96
  5. Step 5: Solve for x
    x = 207,181,583.96/15,848.35
  6. Step 6: Final answer
    x = 13,072.75

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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.