Home / 15,740.58-23,599.31-7,415.91

Finding the Fourth Proportional to 15,740.58, 23,599.31 and 7,415.91

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Solution

The fourth proportional to 15,740.58, 23,599.31 and 7,415.91 is: 11,118.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,740.58 : 23,599.31 = 7,415.91 : x
  2. Step 2: Convert to fraction form
    15,740.58/23,599.31 = 7,415.91/x
  3. Step 3: Cross multiply
    15,740.58x = 23,599.31 × 7,415.91
  4. Step 4: Simplify right side
    15,740.58x = 175,010,203.95
  5. Step 5: Solve for x
    x = 175,010,203.95/15,740.58
  6. Step 6: Final answer
    x = 11,118.41

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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.