Home / 15,411.21-23,114.69-6,644.99

Finding the Fourth Proportional to 15,411.21, 23,114.69 and 6,644.99

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Solution

The fourth proportional to 15,411.21, 23,114.69 and 6,644.99 is: 9,966.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,411.21 : 23,114.69 = 6,644.99 : x
  2. Step 2: Convert to fraction form
    15,411.21/23,114.69 = 6,644.99/x
  3. Step 3: Cross multiply
    15,411.21x = 23,114.69 × 6,644.99
  4. Step 4: Simplify right side
    15,411.21x = 153,596,822.05
  5. Step 5: Solve for x
    x = 153,596,822.05/15,411.21
  6. Step 6: Final answer
    x = 9,966.56

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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.