Home / 13,528.96-18,669.64-7,560.68

Finding the Fourth Proportional to 13,528.96, 18,669.64 and 7,560.68

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Solution

The fourth proportional to 13,528.96, 18,669.64 and 7,560.68 is: 10,433.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,528.96 : 18,669.64 = 7,560.68 : x
  2. Step 2: Convert to fraction form
    13,528.96/18,669.64 = 7,560.68/x
  3. Step 3: Cross multiply
    13,528.96x = 18,669.64 × 7,560.68
  4. Step 4: Simplify right side
    13,528.96x = 141,155,173.76
  5. Step 5: Solve for x
    x = 141,155,173.76/13,528.96
  6. Step 6: Final answer
    x = 10,433.56

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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.