Home / 13,066.56-19,554.48-10,699.20

Finding the Fourth Proportional to 13,066.56, 19,554.48 and 10,699.20

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Solution

The fourth proportional to 13,066.56, 19,554.48 and 10,699.20 is: 16,011.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,066.56 : 19,554.48 = 10,699.20 : x
  2. Step 2: Convert to fraction form
    13,066.56/19,554.48 = 10,699.20/x
  3. Step 3: Cross multiply
    13,066.56x = 19,554.48 × 10,699.20
  4. Step 4: Simplify right side
    13,066.56x = 209,217,292.42
  5. Step 5: Solve for x
    x = 209,217,292.42/13,066.56
  6. Step 6: Final answer
    x = 16,011.66

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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.