Home / 14,323.76-21,478.38-4,962.80

Finding the Fourth Proportional to 14,323.76, 21,478.38 and 4,962.80

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Solution

The fourth proportional to 14,323.76, 21,478.38 and 4,962.80 is: 7,441.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,323.76 : 21,478.38 = 4,962.80 : x
  2. Step 2: Convert to fraction form
    14,323.76/21,478.38 = 4,962.80/x
  3. Step 3: Cross multiply
    14,323.76x = 21,478.38 × 4,962.80
  4. Step 4: Simplify right side
    14,323.76x = 106,592,904.26
  5. Step 5: Solve for x
    x = 106,592,904.26/14,323.76
  6. Step 6: Final answer
    x = 7,441.68

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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.