Home / 16,685.29-23,030.63-9,616.69

Finding the Fourth Proportional to 16,685.29, 23,030.63 and 9,616.69

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Solution

The fourth proportional to 16,685.29, 23,030.63 and 9,616.69 is: 13,273.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,685.29 : 23,030.63 = 9,616.69 : x
  2. Step 2: Convert to fraction form
    16,685.29/23,030.63 = 9,616.69/x
  3. Step 3: Cross multiply
    16,685.29x = 23,030.63 × 9,616.69
  4. Step 4: Simplify right side
    16,685.29x = 221,478,381.13
  5. Step 5: Solve for x
    x = 221,478,381.13/16,685.29
  6. Step 6: Final answer
    x = 13,273.87

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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.