Home / 20,526.01-28,325.03-11,574.34

Finding the Fourth Proportional to 20,526.01, 28,325.03 and 11,574.34

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Solution

The fourth proportional to 20,526.01, 28,325.03 and 11,574.34 is: 15,972.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,526.01 : 28,325.03 = 11,574.34 : x
  2. Step 2: Convert to fraction form
    20,526.01/28,325.03 = 11,574.34/x
  3. Step 3: Cross multiply
    20,526.01x = 28,325.03 × 11,574.34
  4. Step 4: Simplify right side
    20,526.01x = 327,843,607.20
  5. Step 5: Solve for x
    x = 327,843,607.20/20,526.01
  6. Step 6: Final answer
    x = 15,972.11

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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.