Home / 13,557.02-20,334.38-4,672.34

Finding the Fourth Proportional to 13,557.02, 20,334.38 and 4,672.34

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Solution

The fourth proportional to 13,557.02, 20,334.38 and 4,672.34 is: 7,008.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,557.02 : 20,334.38 = 4,672.34 : x
  2. Step 2: Convert to fraction form
    13,557.02/20,334.38 = 4,672.34/x
  3. Step 3: Cross multiply
    13,557.02x = 20,334.38 × 4,672.34
  4. Step 4: Simplify right side
    13,557.02x = 95,009,012.02
  5. Step 5: Solve for x
    x = 95,009,012.02/13,557.02
  6. Step 6: Final answer
    x = 7,008.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.