Home / 19,323.78-26,666.30-11,366.50

Finding the Fourth Proportional to 19,323.78, 26,666.30 and 11,366.50

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Solution

The fourth proportional to 19,323.78, 26,666.30 and 11,366.50 is: 15,685.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,323.78 : 26,666.30 = 11,366.50 : x
  2. Step 2: Convert to fraction form
    19,323.78/26,666.30 = 11,366.50/x
  3. Step 3: Cross multiply
    19,323.78x = 26,666.30 × 11,366.50
  4. Step 4: Simplify right side
    19,323.78x = 303,102,498.95
  5. Step 5: Solve for x
    x = 303,102,498.95/19,323.78
  6. Step 6: Final answer
    x = 15,685.47

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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.