Home / 19,142.40-26,416.26-10,644.60

Finding the Fourth Proportional to 19,142.40, 26,416.26 and 10,644.60

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Solution

The fourth proportional to 19,142.40, 26,416.26 and 10,644.60 is: 14,689.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,142.40 : 26,416.26 = 10,644.60 : x
  2. Step 2: Convert to fraction form
    19,142.40/26,416.26 = 10,644.60/x
  3. Step 3: Cross multiply
    19,142.40x = 26,416.26 × 10,644.60
  4. Step 4: Simplify right side
    19,142.40x = 281,190,521.20
  5. Step 5: Solve for x
    x = 281,190,521.20/19,142.40
  6. Step 6: Final answer
    x = 14,689.41

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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.