Home / 13,653.02-20,482.26-4,295.39

Finding the Fourth Proportional to 13,653.02, 20,482.26 and 4,295.39

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Solution

The fourth proportional to 13,653.02, 20,482.26 and 4,295.39 is: 6,443.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,653.02 : 20,482.26 = 4,295.39 : x
  2. Step 2: Convert to fraction form
    13,653.02/20,482.26 = 4,295.39/x
  3. Step 3: Cross multiply
    13,653.02x = 20,482.26 × 4,295.39
  4. Step 4: Simplify right side
    13,653.02x = 87,979,345.99
  5. Step 5: Solve for x
    x = 87,979,345.99/13,653.02
  6. Step 6: Final answer
    x = 6,443.95

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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.