Home / 15,555.96-23,315.45-8,968.50

Finding the Fourth Proportional to 15,555.96, 23,315.45 and 8,968.50

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Solution

The fourth proportional to 15,555.96, 23,315.45 and 8,968.50 is: 13,442.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,555.96 : 23,315.45 = 8,968.50 : x
  2. Step 2: Convert to fraction form
    15,555.96/23,315.45 = 8,968.50/x
  3. Step 3: Cross multiply
    15,555.96x = 23,315.45 × 8,968.50
  4. Step 4: Simplify right side
    15,555.96x = 209,104,568.48
  5. Step 5: Solve for x
    x = 209,104,568.48/15,555.96
  6. Step 6: Final answer
    x = 13,442.09

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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.