Home / 19,247.40-26,551.28-13,268.80

Finding the Fourth Proportional to 19,247.40, 26,551.28 and 13,268.80

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Solution

The fourth proportional to 19,247.40, 26,551.28 and 13,268.80 is: 18,303.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,247.40 : 26,551.28 = 13,268.80 : x
  2. Step 2: Convert to fraction form
    19,247.40/26,551.28 = 13,268.80/x
  3. Step 3: Cross multiply
    19,247.40x = 26,551.28 × 13,268.80
  4. Step 4: Simplify right side
    19,247.40x = 352,303,624.06
  5. Step 5: Solve for x
    x = 352,303,624.06/19,247.40
  6. Step 6: Final answer
    x = 18,303.96

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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.