Home / 23,830.02-32,887-13,220.82

Finding the Fourth Proportional to 23,830.02, 32,887 and 13,220.82

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Solution

The fourth proportional to 23,830.02, 32,887 and 13,220.82 is: 18,245.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,830.02 : 32,887 = 13,220.82 : x
  2. Step 2: Convert to fraction form
    23,830.02/32,887 = 13,220.82/x
  3. Step 3: Cross multiply
    23,830.02x = 32,887 × 13,220.82
  4. Step 4: Simplify right side
    23,830.02x = 434,793,107.34
  5. Step 5: Solve for x
    x = 434,793,107.34/23,830.02
  6. Step 6: Final answer
    x = 18,245.60

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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.