Home / 34,725.15-47,920.73-18,809.64

Finding the Fourth Proportional to 34,725.15, 47,920.73 and 18,809.64

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Solution

The fourth proportional to 34,725.15, 47,920.73 and 18,809.64 is: 25,957.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,725.15 : 47,920.73 = 18,809.64 : x
  2. Step 2: Convert to fraction form
    34,725.15/47,920.73 = 18,809.64/x
  3. Step 3: Cross multiply
    34,725.15x = 47,920.73 × 18,809.64
  4. Step 4: Simplify right side
    34,725.15x = 901,371,585.79
  5. Step 5: Solve for x
    x = 901,371,585.79/34,725.15
  6. Step 6: Final answer
    x = 25,957.31

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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.