Home / 19,142.53-26,416.16-10,644.55

Finding the Fourth Proportional to 19,142.53, 26,416.16 and 10,644.55

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Solution

The fourth proportional to 19,142.53, 26,416.16 and 10,644.55 is: 14,689.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,142.53 : 26,416.16 = 10,644.55 : x
  2. Step 2: Convert to fraction form
    19,142.53/26,416.16 = 10,644.55/x
  3. Step 3: Cross multiply
    19,142.53x = 26,416.16 × 10,644.55
  4. Step 4: Simplify right side
    19,142.53x = 281,188,056.58
  5. Step 5: Solve for x
    x = 281,188,056.58/19,142.53
  6. Step 6: Final answer
    x = 14,689.18

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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.