Home / 22,342.02-30,830.79-12,268.50

Finding the Fourth Proportional to 22,342.02, 30,830.79 and 12,268.50

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Solution

The fourth proportional to 22,342.02, 30,830.79 and 12,268.50 is: 16,929.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,342.02 : 30,830.79 = 12,268.50 : x
  2. Step 2: Convert to fraction form
    22,342.02/30,830.79 = 12,268.50/x
  3. Step 3: Cross multiply
    22,342.02x = 30,830.79 × 12,268.50
  4. Step 4: Simplify right side
    22,342.02x = 378,247,547.12
  5. Step 5: Solve for x
    x = 378,247,547.12/22,342.02
  6. Step 6: Final answer
    x = 16,929.87

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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.