Home / 19,143.60-26,417.63-10,645.59

Finding the Fourth Proportional to 19,143.60, 26,417.63 and 10,645.59

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Solution

The fourth proportional to 19,143.60, 26,417.63 and 10,645.59 is: 14,690.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,143.60 : 26,417.63 = 10,645.59 : x
  2. Step 2: Convert to fraction form
    19,143.60/26,417.63 = 10,645.59/x
  3. Step 3: Cross multiply
    19,143.60x = 26,417.63 × 10,645.59
  4. Step 4: Simplify right side
    19,143.60x = 281,231,204.52
  5. Step 5: Solve for x
    x = 281,231,204.52/19,143.60
  6. Step 6: Final answer
    x = 14,690.61

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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.