Home / 16,720.29-25,080.49-4,240.32

Finding the Fourth Proportional to 16,720.29, 25,080.49 and 4,240.32

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Solution

The fourth proportional to 16,720.29, 25,080.49 and 4,240.32 is: 6,360.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,720.29 : 25,080.49 = 4,240.32 : x
  2. Step 2: Convert to fraction form
    16,720.29/25,080.49 = 4,240.32/x
  3. Step 3: Cross multiply
    16,720.29x = 25,080.49 × 4,240.32
  4. Step 4: Simplify right side
    16,720.29x = 106,349,402.37
  5. Step 5: Solve for x
    x = 106,349,402.37/16,720.29
  6. Step 6: Final answer
    x = 6,360.50

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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.