Home / 19,142.84-26,416.56-10,644.74

Finding the Fourth Proportional to 19,142.84, 26,416.56 and 10,644.74

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Solution

The fourth proportional to 19,142.84, 26,416.56 and 10,644.74 is: 14,689.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,142.84 : 26,416.56 = 10,644.74 : x
  2. Step 2: Convert to fraction form
    19,142.84/26,416.56 = 10,644.74/x
  3. Step 3: Cross multiply
    19,142.84x = 26,416.56 × 10,644.74
  4. Step 4: Simplify right side
    19,142.84x = 281,197,412.89
  5. Step 5: Solve for x
    x = 281,197,412.89/19,142.84
  6. Step 6: Final answer
    x = 14,689.43

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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.