Home / 13,598.47-20,371.11-9,381.07

Finding the Fourth Proportional to 13,598.47, 20,371.11 and 9,381.07

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Solution

The fourth proportional to 13,598.47, 20,371.11 and 9,381.07 is: 14,053.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,598.47 : 20,371.11 = 9,381.07 : x
  2. Step 2: Convert to fraction form
    13,598.47/20,371.11 = 9,381.07/x
  3. Step 3: Cross multiply
    13,598.47x = 20,371.11 × 9,381.07
  4. Step 4: Simplify right side
    13,598.47x = 191,102,808.89
  5. Step 5: Solve for x
    x = 191,102,808.89/13,598.47
  6. Step 6: Final answer
    x = 14,053.26

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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.