Home / 19,142.24-26,416.40-10,645.16

Finding the Fourth Proportional to 19,142.24, 26,416.40 and 10,645.16

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Solution

The fourth proportional to 19,142.24, 26,416.40 and 10,645.16 is: 14,690.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,142.24 : 26,416.40 = 10,645.16 : x
  2. Step 2: Convert to fraction form
    19,142.24/26,416.40 = 10,645.16/x
  3. Step 3: Cross multiply
    19,142.24x = 26,416.40 × 10,645.16
  4. Step 4: Simplify right side
    19,142.24x = 281,206,619.32
  5. Step 5: Solve for x
    x = 281,206,619.32/19,142.24
  6. Step 6: Final answer
    x = 14,690.38

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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.