Home / 13,133.40-19,700.10-6,560.60

Finding the Fourth Proportional to 13,133.40, 19,700.10 and 6,560.60

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Solution

The fourth proportional to 13,133.40, 19,700.10 and 6,560.60 is: 9,840.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,133.40 : 19,700.10 = 6,560.60 : x
  2. Step 2: Convert to fraction form
    13,133.40/19,700.10 = 6,560.60/x
  3. Step 3: Cross multiply
    13,133.40x = 19,700.10 × 6,560.60
  4. Step 4: Simplify right side
    13,133.40x = 129,244,476.06
  5. Step 5: Solve for x
    x = 129,244,476.06/13,133.40
  6. Step 6: Final answer
    x = 9,840.90

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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.