Home / 14,679.20-22,018.80-13,066.40

Finding the Fourth Proportional to 14,679.20, 22,018.80 and 13,066.40

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Solution

The fourth proportional to 14,679.20, 22,018.80 and 13,066.40 is: 19,599.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,679.20 : 22,018.80 = 13,066.40 : x
  2. Step 2: Convert to fraction form
    14,679.20/22,018.80 = 13,066.40/x
  3. Step 3: Cross multiply
    14,679.20x = 22,018.80 × 13,066.40
  4. Step 4: Simplify right side
    14,679.20x = 287,706,448.32
  5. Step 5: Solve for x
    x = 287,706,448.32/14,679.20
  6. Step 6: Final answer
    x = 19,599.60

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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.