Home / 19,146.42-26,421.55-10,648.10

Finding the Fourth Proportional to 19,146.42, 26,421.55 and 10,648.10

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Solution

The fourth proportional to 19,146.42, 26,421.55 and 10,648.10 is: 14,694.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,146.42 : 26,421.55 = 10,648.10 : x
  2. Step 2: Convert to fraction form
    19,146.42/26,421.55 = 10,648.10/x
  3. Step 3: Cross multiply
    19,146.42x = 26,421.55 × 10,648.10
  4. Step 4: Simplify right side
    19,146.42x = 281,339,345.99
  5. Step 5: Solve for x
    x = 281,339,345.99/19,146.42
  6. Step 6: Final answer
    x = 14,694.10

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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.