Home / 13,576.02-18,746.31-10,212.99

Finding the Fourth Proportional to 13,576.02, 18,746.31 and 10,212.99

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Solution

The fourth proportional to 13,576.02, 18,746.31 and 10,212.99 is: 14,102.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,576.02 : 18,746.31 = 10,212.99 : x
  2. Step 2: Convert to fraction form
    13,576.02/18,746.31 = 10,212.99/x
  3. Step 3: Cross multiply
    13,576.02x = 18,746.31 × 10,212.99
  4. Step 4: Simplify right side
    13,576.02x = 191,455,876.57
  5. Step 5: Solve for x
    x = 191,455,876.57/13,576.02
  6. Step 6: Final answer
    x = 14,102.50

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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.