Home / 20,362.40-30,526.26-9,265.20

Finding the Fourth Proportional to 20,362.40, 30,526.26 and 9,265.20

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Solution

The fourth proportional to 20,362.40, 30,526.26 and 9,265.20 is: 13,889.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,362.40 : 30,526.26 = 9,265.20 : x
  2. Step 2: Convert to fraction form
    20,362.40/30,526.26 = 9,265.20/x
  3. Step 3: Cross multiply
    20,362.40x = 30,526.26 × 9,265.20
  4. Step 4: Simplify right side
    20,362.40x = 282,831,904.15
  5. Step 5: Solve for x
    x = 282,831,904.15/20,362.40
  6. Step 6: Final answer
    x = 13,889.91

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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.