Home / 13,817.04-19,066.96-7,529.28

Finding the Fourth Proportional to 13,817.04, 19,066.96 and 7,529.28

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Solution

The fourth proportional to 13,817.04, 19,066.96 and 7,529.28 is: 10,390.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,817.04 : 19,066.96 = 7,529.28 : x
  2. Step 2: Convert to fraction form
    13,817.04/19,066.96 = 7,529.28/x
  3. Step 3: Cross multiply
    13,817.04x = 19,066.96 × 7,529.28
  4. Step 4: Simplify right side
    13,817.04x = 143,560,480.59
  5. Step 5: Solve for x
    x = 143,560,480.59/13,817.04
  6. Step 6: Final answer
    x = 10,390.10

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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.