Home / 16,911.50-23,333.21-10,539.12

Finding the Fourth Proportional to 16,911.50, 23,333.21 and 10,539.12

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Solution

The fourth proportional to 16,911.50, 23,333.21 and 10,539.12 is: 14,541.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,911.50 : 23,333.21 = 10,539.12 : x
  2. Step 2: Convert to fraction form
    16,911.50/23,333.21 = 10,539.12/x
  3. Step 3: Cross multiply
    16,911.50x = 23,333.21 × 10,539.12
  4. Step 4: Simplify right side
    16,911.50x = 245,911,500.18
  5. Step 5: Solve for x
    x = 245,911,500.18/16,911.50
  6. Step 6: Final answer
    x = 14,541.08

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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.