Home / 19,142.12-26,417.01-10,645.10

Finding the Fourth Proportional to 19,142.12, 26,417.01 and 10,645.10

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Solution

The fourth proportional to 19,142.12, 26,417.01 and 10,645.10 is: 14,690.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,142.12 : 26,417.01 = 10,645.10 : x
  2. Step 2: Convert to fraction form
    19,142.12/26,417.01 = 10,645.10/x
  3. Step 3: Cross multiply
    19,142.12x = 26,417.01 × 10,645.10
  4. Step 4: Simplify right side
    19,142.12x = 281,211,659.93
  5. Step 5: Solve for x
    x = 281,211,659.93/19,142.12
  6. Step 6: Final answer
    x = 14,690.73

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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.