Home / 19,142.57-26,417.13-10,645.04

Finding the Fourth Proportional to 19,142.57, 26,417.13 and 10,645.04

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Solution

The fourth proportional to 19,142.57, 26,417.13 and 10,645.04 is: 14,690.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,142.57 : 26,417.13 = 10,645.04 : x
  2. Step 2: Convert to fraction form
    19,142.57/26,417.13 = 10,645.04/x
  3. Step 3: Cross multiply
    19,142.57x = 26,417.13 × 10,645.04
  4. Step 4: Simplify right side
    19,142.57x = 281,211,405.54
  5. Step 5: Solve for x
    x = 281,211,405.54/19,142.57
  6. Step 6: Final answer
    x = 14,690.37

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Double scale
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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.