Home / 19,510.28-26,926.58-11,957.69

Finding the Fourth Proportional to 19,510.28, 26,926.58 and 11,957.69

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Solution

The fourth proportional to 19,510.28, 26,926.58 and 11,957.69 is: 16,503.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,510.28 : 26,926.58 = 11,957.69 : x
  2. Step 2: Convert to fraction form
    19,510.28/26,926.58 = 11,957.69/x
  3. Step 3: Cross multiply
    19,510.28x = 26,926.58 × 11,957.69
  4. Step 4: Simplify right side
    19,510.28x = 321,979,726.35
  5. Step 5: Solve for x
    x = 321,979,726.35/19,510.28
  6. Step 6: Final answer
    x = 16,503.08

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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.