Home / 16,875.64-23,288.39-9,219.02

Finding the Fourth Proportional to 16,875.64, 23,288.39 and 9,219.02

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Solution

The fourth proportional to 16,875.64, 23,288.39 and 9,219.02 is: 12,722.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,875.64 : 23,288.39 = 9,219.02 : x
  2. Step 2: Convert to fraction form
    16,875.64/23,288.39 = 9,219.02/x
  3. Step 3: Cross multiply
    16,875.64x = 23,288.39 × 9,219.02
  4. Step 4: Simplify right side
    16,875.64x = 214,696,005.21
  5. Step 5: Solve for x
    x = 214,696,005.21/16,875.64
  6. Step 6: Final answer
    x = 12,722.25

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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.