Home / 19,578.16-27,026.28-12,025.72

Finding the Fourth Proportional to 19,578.16, 27,026.28 and 12,025.72

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Solution

The fourth proportional to 19,578.16, 27,026.28 and 12,025.72 is: 16,600.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,578.16 : 27,026.28 = 12,025.72 : x
  2. Step 2: Convert to fraction form
    19,578.16/27,026.28 = 12,025.72/x
  3. Step 3: Cross multiply
    19,578.16x = 27,026.28 × 12,025.72
  4. Step 4: Simplify right side
    19,578.16x = 325,010,475.92
  5. Step 5: Solve for x
    x = 325,010,475.92/19,578.16
  6. Step 6: Final answer
    x = 16,600.67

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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.