Home / 15,415.62-23,124.07-4,885.41

Finding the Fourth Proportional to 15,415.62, 23,124.07 and 4,885.41

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Solution

The fourth proportional to 15,415.62, 23,124.07 and 4,885.41 is: 7,328.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,415.62 : 23,124.07 = 4,885.41 : x
  2. Step 2: Convert to fraction form
    15,415.62/23,124.07 = 4,885.41/x
  3. Step 3: Cross multiply
    15,415.62x = 23,124.07 × 4,885.41
  4. Step 4: Simplify right side
    15,415.62x = 112,970,482.21
  5. Step 5: Solve for x
    x = 112,970,482.21/15,415.62
  6. Step 6: Final answer
    x = 7,328.31

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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.