Home / 16,985.36-23,439.02-9,432.18

Finding the Fourth Proportional to 16,985.36, 23,439.02 and 9,432.18

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Solution

The fourth proportional to 16,985.36, 23,439.02 and 9,432.18 is: 13,015.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,985.36 : 23,439.02 = 9,432.18 : x
  2. Step 2: Convert to fraction form
    16,985.36/23,439.02 = 9,432.18/x
  3. Step 3: Cross multiply
    16,985.36x = 23,439.02 × 9,432.18
  4. Step 4: Simplify right side
    16,985.36x = 221,081,012.12
  5. Step 5: Solve for x
    x = 221,081,012.12/16,985.36
  6. Step 6: Final answer
    x = 13,015.97

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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.