Home / 16,720.71-25,088.36-5,628.98

Finding the Fourth Proportional to 16,720.71, 25,088.36 and 5,628.98

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Solution

The fourth proportional to 16,720.71, 25,088.36 and 5,628.98 is: 8,445.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,720.71 : 25,088.36 = 5,628.98 : x
  2. Step 2: Convert to fraction form
    16,720.71/25,088.36 = 5,628.98/x
  3. Step 3: Cross multiply
    16,720.71x = 25,088.36 × 5,628.98
  4. Step 4: Simplify right side
    16,720.71x = 141,221,723.09
  5. Step 5: Solve for x
    x = 141,221,723.09/16,720.71
  6. Step 6: Final answer
    x = 8,445.92

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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.