Home / 19,432.65-26,816.29-11,477.43

Finding the Fourth Proportional to 19,432.65, 26,816.29 and 11,477.43

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Solution

The fourth proportional to 19,432.65, 26,816.29 and 11,477.43 is: 15,838.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,432.65 : 26,816.29 = 11,477.43 : x
  2. Step 2: Convert to fraction form
    19,432.65/26,816.29 = 11,477.43/x
  3. Step 3: Cross multiply
    19,432.65x = 26,816.29 × 11,477.43
  4. Step 4: Simplify right side
    19,432.65x = 307,782,033.95
  5. Step 5: Solve for x
    x = 307,782,033.95/19,432.65
  6. Step 6: Final answer
    x = 15,838.40

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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.