Home / 14,646.02-20,214.65-9,339.62

Finding the Fourth Proportional to 14,646.02, 20,214.65 and 9,339.62

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Solution

The fourth proportional to 14,646.02, 20,214.65 and 9,339.62 is: 12,890.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,646.02 : 20,214.65 = 9,339.62 : x
  2. Step 2: Convert to fraction form
    14,646.02/20,214.65 = 9,339.62/x
  3. Step 3: Cross multiply
    14,646.02x = 20,214.65 × 9,339.62
  4. Step 4: Simplify right side
    14,646.02x = 188,797,149.43
  5. Step 5: Solve for x
    x = 188,797,149.43/14,646.02
  6. Step 6: Final answer
    x = 12,890.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.