Home / 19,143.63-26,419.08-10,646.61

Finding the Fourth Proportional to 19,143.63, 26,419.08 and 10,646.61

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Solution

The fourth proportional to 19,143.63, 26,419.08 and 10,646.61 is: 14,692.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,143.63 : 26,419.08 = 10,646.61 : x
  2. Step 2: Convert to fraction form
    19,143.63/26,419.08 = 10,646.61/x
  3. Step 3: Cross multiply
    19,143.63x = 26,419.08 × 10,646.61
  4. Step 4: Simplify right side
    19,143.63x = 281,273,641.32
  5. Step 5: Solve for x
    x = 281,273,641.32/19,143.63
  6. Step 6: Final answer
    x = 14,692.81

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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.