Home / 53,621.94-80,426.12-14,182.16

Finding the Fourth Proportional to 53,621.94, 80,426.12 and 14,182.16

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Solution

The fourth proportional to 53,621.94, 80,426.12 and 14,182.16 is: 21,271.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,621.94 : 80,426.12 = 14,182.16 : x
  2. Step 2: Convert to fraction form
    53,621.94/80,426.12 = 14,182.16/x
  3. Step 3: Cross multiply
    53,621.94x = 80,426.12 × 14,182.16
  4. Step 4: Simplify right side
    53,621.94x = 1,140,616,102.02
  5. Step 5: Solve for x
    x = 1,140,616,102.02/53,621.94
  6. Step 6: Final answer
    x = 21,271.44

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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.