Home / 25,403.34-38,106.18-12,266.76

Finding the Fourth Proportional to 25,403.34, 38,106.18 and 12,266.76

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Solution

The fourth proportional to 25,403.34, 38,106.18 and 12,266.76 is: 18,400.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,403.34 : 38,106.18 = 12,266.76 : x
  2. Step 2: Convert to fraction form
    25,403.34/38,106.18 = 12,266.76/x
  3. Step 3: Cross multiply
    25,403.34x = 38,106.18 × 12,266.76
  4. Step 4: Simplify right side
    25,403.34x = 467,439,364.58
  5. Step 5: Solve for x
    x = 467,439,364.58/25,403.34
  6. Step 6: Final answer
    x = 18,400.70

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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.