Home / 19,006.40-28,477.20-15,701.60

Finding the Fourth Proportional to 19,006.40, 28,477.20 and 15,701.60

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Solution

The fourth proportional to 19,006.40, 28,477.20 and 15,701.60 is: 23,525.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,006.40 : 28,477.20 = 15,701.60 : x
  2. Step 2: Convert to fraction form
    19,006.40/28,477.20 = 15,701.60/x
  3. Step 3: Cross multiply
    19,006.40x = 28,477.20 × 15,701.60
  4. Step 4: Simplify right side
    19,006.40x = 447,137,603.52
  5. Step 5: Solve for x
    x = 447,137,603.52/19,006.40
  6. Step 6: Final answer
    x = 23,525.63

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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.