Home / 19,071.64-26,304-11,510.08

Finding the Fourth Proportional to 19,071.64, 26,304 and 11,510.08

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Solution

The fourth proportional to 19,071.64, 26,304 and 11,510.08 is: 15,874.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,071.64 : 26,304 = 11,510.08 : x
  2. Step 2: Convert to fraction form
    19,071.64/26,304 = 11,510.08/x
  3. Step 3: Cross multiply
    19,071.64x = 26,304 × 11,510.08
  4. Step 4: Simplify right side
    19,071.64x = 302,761,144.32
  5. Step 5: Solve for x
    x = 302,761,144.32/19,071.64
  6. Step 6: Final answer
    x = 15,874.94

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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.