Home / 16,722.40-23,070.81-10,008.22

Finding the Fourth Proportional to 16,722.40, 23,070.81 and 10,008.22

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Solution

The fourth proportional to 16,722.40, 23,070.81 and 10,008.22 is: 13,807.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,722.40 : 23,070.81 = 10,008.22 : x
  2. Step 2: Convert to fraction form
    16,722.40/23,070.81 = 10,008.22/x
  3. Step 3: Cross multiply
    16,722.40x = 23,070.81 × 10,008.22
  4. Step 4: Simplify right side
    16,722.40x = 230,897,742.06
  5. Step 5: Solve for x
    x = 230,897,742.06/16,722.40
  6. Step 6: Final answer
    x = 13,807.69

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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.