Home / 23,118.12-34,688.70-9,973.80

Finding the Fourth Proportional to 23,118.12, 34,688.70 and 9,973.80

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Solution

The fourth proportional to 23,118.12, 34,688.70 and 9,973.80 is: 14,965.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,118.12 : 34,688.70 = 9,973.80 : x
  2. Step 2: Convert to fraction form
    23,118.12/34,688.70 = 9,973.80/x
  3. Step 3: Cross multiply
    23,118.12x = 34,688.70 × 9,973.80
  4. Step 4: Simplify right side
    23,118.12x = 345,978,156.06
  5. Step 5: Solve for x
    x = 345,978,156.06/23,118.12
  6. Step 6: Final answer
    x = 14,965.67

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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.