Home / 19,153.60-26,431.93-10,655.44

Finding the Fourth Proportional to 19,153.60, 26,431.93 and 10,655.44

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Solution

The fourth proportional to 19,153.60, 26,431.93 and 10,655.44 is: 14,704.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,153.60 : 26,431.93 = 10,655.44 : x
  2. Step 2: Convert to fraction form
    19,153.60/26,431.93 = 10,655.44/x
  3. Step 3: Cross multiply
    19,153.60x = 26,431.93 × 10,655.44
  4. Step 4: Simplify right side
    19,153.60x = 281,643,844.20
  5. Step 5: Solve for x
    x = 281,643,844.20/19,153.60
  6. Step 6: Final answer
    x = 14,704.49

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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.