Home / 14,223.58-21,346.26-6,437.86

Finding the Fourth Proportional to 14,223.58, 21,346.26 and 6,437.86

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Solution

The fourth proportional to 14,223.58, 21,346.26 and 6,437.86 is: 9,661.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,223.58 : 21,346.26 = 6,437.86 : x
  2. Step 2: Convert to fraction form
    14,223.58/21,346.26 = 6,437.86/x
  3. Step 3: Cross multiply
    14,223.58x = 21,346.26 × 6,437.86
  4. Step 4: Simplify right side
    14,223.58x = 137,424,233.40
  5. Step 5: Solve for x
    x = 137,424,233.40/14,223.58
  6. Step 6: Final answer
    x = 9,661.72

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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.