Home / 18,292.34-25,220.49-14,931.74

Finding the Fourth Proportional to 18,292.34, 25,220.49 and 14,931.74

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Solution

The fourth proportional to 18,292.34, 25,220.49 and 14,931.74 is: 20,587.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,292.34 : 25,220.49 = 14,931.74 : x
  2. Step 2: Convert to fraction form
    18,292.34/25,220.49 = 14,931.74/x
  3. Step 3: Cross multiply
    18,292.34x = 25,220.49 × 14,931.74
  4. Step 4: Simplify right side
    18,292.34x = 376,585,799.35
  5. Step 5: Solve for x
    x = 376,585,799.35/18,292.34
  6. Step 6: Final answer
    x = 20,587.08

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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.