Home / 13,526.25-20,289.38-4,760.16

Finding the Fourth Proportional to 13,526.25, 20,289.38 and 4,760.16

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Solution

The fourth proportional to 13,526.25, 20,289.38 and 4,760.16 is: 7,140.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,526.25 : 20,289.38 = 4,760.16 : x
  2. Step 2: Convert to fraction form
    13,526.25/20,289.38 = 4,760.16/x
  3. Step 3: Cross multiply
    13,526.25x = 20,289.38 × 4,760.16
  4. Step 4: Simplify right side
    13,526.25x = 96,580,671.30
  5. Step 5: Solve for x
    x = 96,580,671.30/13,526.25
  6. Step 6: Final answer
    x = 7,140.24

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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.