Home / 14,646.54-21,973.28-4,785.80

Finding the Fourth Proportional to 14,646.54, 21,973.28 and 4,785.80

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Solution

The fourth proportional to 14,646.54, 21,973.28 and 4,785.80 is: 7,179.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,646.54 : 21,973.28 = 4,785.80 : x
  2. Step 2: Convert to fraction form
    14,646.54/21,973.28 = 4,785.80/x
  3. Step 3: Cross multiply
    14,646.54x = 21,973.28 × 4,785.80
  4. Step 4: Simplify right side
    14,646.54x = 105,159,589.63
  5. Step 5: Solve for x
    x = 105,159,589.63/14,646.54
  6. Step 6: Final answer
    x = 7,179.82

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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.