Home / 15,031.55-22,436.30-13,258.69

Finding the Fourth Proportional to 15,031.55, 22,436.30 and 13,258.69

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Solution

The fourth proportional to 15,031.55, 22,436.30 and 13,258.69 is: 19,790.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,031.55 : 22,436.30 = 13,258.69 : x
  2. Step 2: Convert to fraction form
    15,031.55/22,436.30 = 13,258.69/x
  3. Step 3: Cross multiply
    15,031.55x = 22,436.30 × 13,258.69
  4. Step 4: Simplify right side
    15,031.55x = 297,475,923.50
  5. Step 5: Solve for x
    x = 297,475,923.50/15,031.55
  6. Step 6: Final answer
    x = 19,790.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.