Home / 22,539.10-31,107.63-14,985.58

Finding the Fourth Proportional to 22,539.10, 31,107.63 and 14,985.58

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Solution

The fourth proportional to 22,539.10, 31,107.63 and 14,985.58 is: 20,682.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,539.10 : 31,107.63 = 14,985.58 : x
  2. Step 2: Convert to fraction form
    22,539.10/31,107.63 = 14,985.58/x
  3. Step 3: Cross multiply
    22,539.10x = 31,107.63 × 14,985.58
  4. Step 4: Simplify right side
    22,539.10x = 466,165,877.98
  5. Step 5: Solve for x
    x = 466,165,877.98/22,539.10
  6. Step 6: Final answer
    x = 20,682.54

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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.