Home / 26,101.60-39,159.60-12,954.40

Finding the Fourth Proportional to 26,101.60, 39,159.60 and 12,954.40

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Solution

The fourth proportional to 26,101.60, 39,159.60 and 12,954.40 is: 19,435.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,101.60 : 39,159.60 = 12,954.40 : x
  2. Step 2: Convert to fraction form
    26,101.60/39,159.60 = 12,954.40/x
  3. Step 3: Cross multiply
    26,101.60x = 39,159.60 × 12,954.40
  4. Step 4: Simplify right side
    26,101.60x = 507,289,122.24
  5. Step 5: Solve for x
    x = 507,289,122.24/26,101.60
  6. Step 6: Final answer
    x = 19,435.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.