Home / 13,697.25-20,567.47-8,526.21

Finding the Fourth Proportional to 13,697.25, 20,567.47 and 8,526.21

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Solution

The fourth proportional to 13,697.25, 20,567.47 and 8,526.21 is: 12,802.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,697.25 : 20,567.47 = 8,526.21 : x
  2. Step 2: Convert to fraction form
    13,697.25/20,567.47 = 8,526.21/x
  3. Step 3: Cross multiply
    13,697.25x = 20,567.47 × 8,526.21
  4. Step 4: Simplify right side
    13,697.25x = 175,362,568.39
  5. Step 5: Solve for x
    x = 175,362,568.39/13,697.25
  6. Step 6: Final answer
    x = 12,802.76

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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.