Home / 16,911.47-23,348.45-10,864.11

Finding the Fourth Proportional to 16,911.47, 23,348.45 and 10,864.11

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Solution

The fourth proportional to 16,911.47, 23,348.45 and 10,864.11 is: 14,999.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,911.47 : 23,348.45 = 10,864.11 : x
  2. Step 2: Convert to fraction form
    16,911.47/23,348.45 = 10,864.11/x
  3. Step 3: Cross multiply
    16,911.47x = 23,348.45 × 10,864.11
  4. Step 4: Simplify right side
    16,911.47x = 253,660,074.81
  5. Step 5: Solve for x
    x = 253,660,074.81/16,911.47
  6. Step 6: Final answer
    x = 14,999.30

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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.