Home / 16,971.04-23,419.24-9,417.28

Finding the Fourth Proportional to 16,971.04, 23,419.24 and 9,417.28

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Solution

The fourth proportional to 16,971.04, 23,419.24 and 9,417.28 is: 12,995.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,971.04 : 23,419.24 = 9,417.28 : x
  2. Step 2: Convert to fraction form
    16,971.04/23,419.24 = 9,417.28/x
  3. Step 3: Cross multiply
    16,971.04x = 23,419.24 × 9,417.28
  4. Step 4: Simplify right side
    16,971.04x = 220,545,540.47
  5. Step 5: Solve for x
    x = 220,545,540.47/16,971.04
  6. Step 6: Final answer
    x = 12,995.41

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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.