Home / 19,025.40-28,521.87-13,461.24

Finding the Fourth Proportional to 19,025.40, 28,521.87 and 13,461.24

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Solution

The fourth proportional to 19,025.40, 28,521.87 and 13,461.24 is: 20,180.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,025.40 : 28,521.87 = 13,461.24 : x
  2. Step 2: Convert to fraction form
    19,025.40/28,521.87 = 13,461.24/x
  3. Step 3: Cross multiply
    19,025.40x = 28,521.87 × 13,461.24
  4. Step 4: Simplify right side
    19,025.40x = 383,939,737.32
  5. Step 5: Solve for x
    x = 383,939,737.32/19,025.40
  6. Step 6: Final answer
    x = 20,180.38

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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.