Home / 14,982.06-20,666.34-9,680.01

Finding the Fourth Proportional to 14,982.06, 20,666.34 and 9,680.01

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Solution

The fourth proportional to 14,982.06, 20,666.34 and 9,680.01 is: 13,352.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,982.06 : 20,666.34 = 9,680.01 : x
  2. Step 2: Convert to fraction form
    14,982.06/20,666.34 = 9,680.01/x
  3. Step 3: Cross multiply
    14,982.06x = 20,666.34 × 9,680.01
  4. Step 4: Simplify right side
    14,982.06x = 200,050,300.36
  5. Step 5: Solve for x
    x = 200,050,300.36/14,982.06
  6. Step 6: Final answer
    x = 13,352.65

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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.