Home / 19,142.58-26,416.28-10,644.26

Finding the Fourth Proportional to 19,142.58, 26,416.28 and 10,644.26

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Solution

The fourth proportional to 19,142.58, 26,416.28 and 10,644.26 is: 14,688.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,142.58 : 26,416.28 = 10,644.26 : x
  2. Step 2: Convert to fraction form
    19,142.58/26,416.28 = 10,644.26/x
  3. Step 3: Cross multiply
    19,142.58x = 26,416.28 × 10,644.26
  4. Step 4: Simplify right side
    19,142.58x = 281,181,752.55
  5. Step 5: Solve for x
    x = 281,181,752.55/19,142.58
  6. Step 6: Final answer
    x = 14,688.81

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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.