Home / 23,783.30-32,821.50-13,029.20

Finding the Fourth Proportional to 23,783.30, 32,821.50 and 13,029.20

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Solution

The fourth proportional to 23,783.30, 32,821.50 and 13,029.20 is: 17,980.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,783.30 : 32,821.50 = 13,029.20 : x
  2. Step 2: Convert to fraction form
    23,783.30/32,821.50 = 13,029.20/x
  3. Step 3: Cross multiply
    23,783.30x = 32,821.50 × 13,029.20
  4. Step 4: Simplify right side
    23,783.30x = 427,637,887.80
  5. Step 5: Solve for x
    x = 427,637,887.80/23,783.30
  6. Step 6: Final answer
    x = 17,980.60

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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.