Home / 19,323.29-28,995.70-10,438.44

Finding the Fourth Proportional to 19,323.29, 28,995.70 and 10,438.44

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Solution

The fourth proportional to 19,323.29, 28,995.70 and 10,438.44 is: 15,663.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,323.29 : 28,995.70 = 10,438.44 : x
  2. Step 2: Convert to fraction form
    19,323.29/28,995.70 = 10,438.44/x
  3. Step 3: Cross multiply
    19,323.29x = 28,995.70 × 10,438.44
  4. Step 4: Simplify right side
    19,323.29x = 302,669,874.71
  5. Step 5: Solve for x
    x = 302,669,874.71/19,323.29
  6. Step 6: Final answer
    x = 15,663.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.