Home / 19,153.43-26,431.35-10,655.38

Finding the Fourth Proportional to 19,153.43, 26,431.35 and 10,655.38

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Solution

The fourth proportional to 19,153.43, 26,431.35 and 10,655.38 is: 14,704.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,153.43 : 26,431.35 = 10,655.38 : x
  2. Step 2: Convert to fraction form
    19,153.43/26,431.35 = 10,655.38/x
  3. Step 3: Cross multiply
    19,153.43x = 26,431.35 × 10,655.38
  4. Step 4: Simplify right side
    19,153.43x = 281,636,071.24
  5. Step 5: Solve for x
    x = 281,636,071.24/19,153.43
  6. Step 6: Final answer
    x = 14,704.21

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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.