Home / 15,102.02-20,833.55-10,628.26

Finding the Fourth Proportional to 15,102.02, 20,833.55 and 10,628.26

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Solution

The fourth proportional to 15,102.02, 20,833.55 and 10,628.26 is: 14,661.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,102.02 : 20,833.55 = 10,628.26 : x
  2. Step 2: Convert to fraction form
    15,102.02/20,833.55 = 10,628.26/x
  3. Step 3: Cross multiply
    15,102.02x = 20,833.55 × 10,628.26
  4. Step 4: Simplify right side
    15,102.02x = 221,424,281.96
  5. Step 5: Solve for x
    x = 221,424,281.96/15,102.02
  6. Step 6: Final answer
    x = 14,661.90

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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.