Home / 19,328.39-29,124.26-15,895.31

Finding the Fourth Proportional to 19,328.39, 29,124.26 and 15,895.31

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Solution

The fourth proportional to 19,328.39, 29,124.26 and 15,895.31 is: 23,951.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,328.39 : 29,124.26 = 15,895.31 : x
  2. Step 2: Convert to fraction form
    19,328.39/29,124.26 = 15,895.31/x
  3. Step 3: Cross multiply
    19,328.39x = 29,124.26 × 15,895.31
  4. Step 4: Simplify right side
    19,328.39x = 462,939,141.22
  5. Step 5: Solve for x
    x = 462,939,141.22/19,328.39
  6. Step 6: Final answer
    x = 23,951.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.