Home / 26,390.40-36,417.76-14,453.83

Finding the Fourth Proportional to 26,390.40, 36,417.76 and 14,453.83

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Solution

The fourth proportional to 26,390.40, 36,417.76 and 14,453.83 is: 19,945.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,390.40 : 36,417.76 = 14,453.83 : x
  2. Step 2: Convert to fraction form
    26,390.40/36,417.76 = 14,453.83/x
  3. Step 3: Cross multiply
    26,390.40x = 36,417.76 × 14,453.83
  4. Step 4: Simplify right side
    26,390.40x = 526,376,112.02
  5. Step 5: Solve for x
    x = 526,376,112.02/26,390.40
  6. Step 6: Final answer
    x = 19,945.74

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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.