Home / 14,163.93-21,328.20-10,492.20

Finding the Fourth Proportional to 14,163.93, 21,328.20 and 10,492.20

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Solution

The fourth proportional to 14,163.93, 21,328.20 and 10,492.20 is: 15,799.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,163.93 : 21,328.20 = 10,492.20 : x
  2. Step 2: Convert to fraction form
    14,163.93/21,328.20 = 10,492.20/x
  3. Step 3: Cross multiply
    14,163.93x = 21,328.20 × 10,492.20
  4. Step 4: Simplify right side
    14,163.93x = 223,779,740.04
  5. Step 5: Solve for x
    x = 223,779,740.04/14,163.93
  6. Step 6: Final answer
    x = 15,799.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.