Home / 18,383.02-25,368.33-9,999.52

Finding the Fourth Proportional to 18,383.02, 25,368.33 and 9,999.52

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Solution

The fourth proportional to 18,383.02, 25,368.33 and 9,999.52 is: 13,799.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,383.02 : 25,368.33 = 9,999.52 : x
  2. Step 2: Convert to fraction form
    18,383.02/25,368.33 = 9,999.52/x
  3. Step 3: Cross multiply
    18,383.02x = 25,368.33 × 9,999.52
  4. Step 4: Simplify right side
    18,383.02x = 253,671,123.20
  5. Step 5: Solve for x
    x = 253,671,123.20/18,383.02
  6. Step 6: Final answer
    x = 13,799.21

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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.