Home / 13,066.04-19,686.22-11,818.07

Finding the Fourth Proportional to 13,066.04, 19,686.22 and 11,818.07

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Solution

The fourth proportional to 13,066.04, 19,686.22 and 11,818.07 is: 17,805.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,066.04 : 19,686.22 = 11,818.07 : x
  2. Step 2: Convert to fraction form
    13,066.04/19,686.22 = 11,818.07/x
  3. Step 3: Cross multiply
    13,066.04x = 19,686.22 × 11,818.07
  4. Step 4: Simplify right side
    13,066.04x = 232,653,126.00
  5. Step 5: Solve for x
    x = 232,653,126.00/13,066.04
  6. Step 6: Final answer
    x = 17,805.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.