Home / 19,348.39-29,022.59-15,477.40

Finding the Fourth Proportional to 19,348.39, 29,022.59 and 15,477.40

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Solution

The fourth proportional to 19,348.39, 29,022.59 and 15,477.40 is: 23,216.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,348.39 : 29,022.59 = 15,477.40 : x
  2. Step 2: Convert to fraction form
    19,348.39/29,022.59 = 15,477.40/x
  3. Step 3: Cross multiply
    19,348.39x = 29,022.59 × 15,477.40
  4. Step 4: Simplify right side
    19,348.39x = 449,194,234.47
  5. Step 5: Solve for x
    x = 449,194,234.47/19,348.39
  6. Step 6: Final answer
    x = 23,216.10

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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.