Home / 14,403.80-21,597.06-5,628.26

Finding the Fourth Proportional to 14,403.80, 21,597.06 and 5,628.26

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Solution

The fourth proportional to 14,403.80, 21,597.06 and 5,628.26 is: 8,439.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,403.80 : 21,597.06 = 5,628.26 : x
  2. Step 2: Convert to fraction form
    14,403.80/21,597.06 = 5,628.26/x
  3. Step 3: Cross multiply
    14,403.80x = 21,597.06 × 5,628.26
  4. Step 4: Simplify right side
    14,403.80x = 121,553,868.92
  5. Step 5: Solve for x
    x = 121,553,868.92/14,403.80
  6. Step 6: Final answer
    x = 8,439.01

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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.