Home / 23,038.02-31,788.45-13,603.14

Finding the Fourth Proportional to 23,038.02, 31,788.45 and 13,603.14

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Solution

The fourth proportional to 23,038.02, 31,788.45 and 13,603.14 is: 18,769.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,038.02 : 31,788.45 = 13,603.14 : x
  2. Step 2: Convert to fraction form
    23,038.02/31,788.45 = 13,603.14/x
  3. Step 3: Cross multiply
    23,038.02x = 31,788.45 × 13,603.14
  4. Step 4: Simplify right side
    23,038.02x = 432,422,735.73
  5. Step 5: Solve for x
    x = 432,422,735.73/23,038.02
  6. Step 6: Final answer
    x = 18,769.96

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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.