Home / 20,023.81-30,032.56-6,696.70

Finding the Fourth Proportional to 20,023.81, 30,032.56 and 6,696.70

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Solution

The fourth proportional to 20,023.81, 30,032.56 and 6,696.70 is: 10,044.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,023.81 : 30,032.56 = 6,696.70 : x
  2. Step 2: Convert to fraction form
    20,023.81/30,032.56 = 6,696.70/x
  3. Step 3: Cross multiply
    20,023.81x = 30,032.56 × 6,696.70
  4. Step 4: Simplify right side
    20,023.81x = 201,119,090.46
  5. Step 5: Solve for x
    x = 201,119,090.46/20,023.81
  6. Step 6: Final answer
    x = 10,044.00

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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.