Home / 14,268.77-19,689.57-8,300.36

Finding the Fourth Proportional to 14,268.77, 19,689.57 and 8,300.36

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Solution

The fourth proportional to 14,268.77, 19,689.57 and 8,300.36 is: 11,453.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,268.77 : 19,689.57 = 8,300.36 : x
  2. Step 2: Convert to fraction form
    14,268.77/19,689.57 = 8,300.36/x
  3. Step 3: Cross multiply
    14,268.77x = 19,689.57 × 8,300.36
  4. Step 4: Simplify right side
    14,268.77x = 163,430,420.80
  5. Step 5: Solve for x
    x = 163,430,420.80/14,268.77
  6. Step 6: Final answer
    x = 11,453.72

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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.