Home / 14,557.15-21,835.73-11,621.71

Finding the Fourth Proportional to 14,557.15, 21,835.73 and 11,621.71

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Solution

The fourth proportional to 14,557.15, 21,835.73 and 11,621.71 is: 17,432.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,557.15 : 21,835.73 = 11,621.71 : x
  2. Step 2: Convert to fraction form
    14,557.15/21,835.73 = 11,621.71/x
  3. Step 3: Cross multiply
    14,557.15x = 21,835.73 × 11,621.71
  4. Step 4: Simplify right side
    14,557.15x = 253,768,512.68
  5. Step 5: Solve for x
    x = 253,768,512.68/14,557.15
  6. Step 6: Final answer
    x = 17,432.57

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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.