Home / 26,431.13-36,471.60-14,491.32

Finding the Fourth Proportional to 26,431.13, 36,471.60 and 14,491.32

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Solution

The fourth proportional to 26,431.13, 36,471.60 and 14,491.32 is: 19,996.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,431.13 : 36,471.60 = 14,491.32 : x
  2. Step 2: Convert to fraction form
    26,431.13/36,471.60 = 14,491.32/x
  3. Step 3: Cross multiply
    26,431.13x = 36,471.60 × 14,491.32
  4. Step 4: Simplify right side
    26,431.13x = 528,521,626.51
  5. Step 5: Solve for x
    x = 528,521,626.51/26,431.13
  6. Step 6: Final answer
    x = 19,996.18

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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.