Home / 19,357.76-26,706.02-11,387.36

Finding the Fourth Proportional to 19,357.76, 26,706.02 and 11,387.36

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Solution

The fourth proportional to 19,357.76, 26,706.02 and 11,387.36 is: 15,710.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,357.76 : 26,706.02 = 11,387.36 : x
  2. Step 2: Convert to fraction form
    19,357.76/26,706.02 = 11,387.36/x
  3. Step 3: Cross multiply
    19,357.76x = 26,706.02 × 11,387.36
  4. Step 4: Simplify right side
    19,357.76x = 304,111,063.91
  5. Step 5: Solve for x
    x = 304,111,063.91/19,357.76
  6. Step 6: Final answer
    x = 15,710.03

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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.