Home / 23,256.40-34,826.28-12,123.76

Finding the Fourth Proportional to 23,256.40, 34,826.28 and 12,123.76

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Solution

The fourth proportional to 23,256.40, 34,826.28 and 12,123.76 is: 18,155.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,256.40 : 34,826.28 = 12,123.76 : x
  2. Step 2: Convert to fraction form
    23,256.40/34,826.28 = 12,123.76/x
  3. Step 3: Cross multiply
    23,256.40x = 34,826.28 × 12,123.76
  4. Step 4: Simplify right side
    23,256.40x = 422,225,460.41
  5. Step 5: Solve for x
    x = 422,225,460.41/23,256.40
  6. Step 6: Final answer
    x = 18,155.24

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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.