Home / 13,527.18-20,298.06-10,239.48

Finding the Fourth Proportional to 13,527.18, 20,298.06 and 10,239.48

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Solution

The fourth proportional to 13,527.18, 20,298.06 and 10,239.48 is: 15,364.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,527.18 : 20,298.06 = 10,239.48 : x
  2. Step 2: Convert to fraction form
    13,527.18/20,298.06 = 10,239.48/x
  3. Step 3: Cross multiply
    13,527.18x = 20,298.06 × 10,239.48
  4. Step 4: Simplify right side
    13,527.18x = 207,841,579.41
  5. Step 5: Solve for x
    x = 207,841,579.41/13,527.18
  6. Step 6: Final answer
    x = 15,364.74

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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.