Home / 14,255.68-21,364.08-8,710.96

Finding the Fourth Proportional to 14,255.68, 21,364.08 and 8,710.96

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Solution

The fourth proportional to 14,255.68, 21,364.08 and 8,710.96 is: 13,054.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,255.68 : 21,364.08 = 8,710.96 : x
  2. Step 2: Convert to fraction form
    14,255.68/21,364.08 = 8,710.96/x
  3. Step 3: Cross multiply
    14,255.68x = 21,364.08 × 8,710.96
  4. Step 4: Simplify right side
    14,255.68x = 186,101,646.32
  5. Step 5: Solve for x
    x = 186,101,646.32/14,255.68
  6. Step 6: Final answer
    x = 13,054.56

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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.