Home / 25,673.86-35,432.31-15,599.98

Finding the Fourth Proportional to 25,673.86, 35,432.31 and 15,599.98

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Solution

The fourth proportional to 25,673.86, 35,432.31 and 15,599.98 is: 21,529.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,673.86 : 35,432.31 = 15,599.98 : x
  2. Step 2: Convert to fraction form
    25,673.86/35,432.31 = 15,599.98/x
  3. Step 3: Cross multiply
    25,673.86x = 35,432.31 × 15,599.98
  4. Step 4: Simplify right side
    25,673.86x = 552,743,327.35
  5. Step 5: Solve for x
    x = 552,743,327.35/25,673.86
  6. Step 6: Final answer
    x = 21,529.42

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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.