Home / 20,973.87-28,946.34-12,024.18

Finding the Fourth Proportional to 20,973.87, 28,946.34 and 12,024.18

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Solution

The fourth proportional to 20,973.87, 28,946.34 and 12,024.18 is: 16,594.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,973.87 : 28,946.34 = 12,024.18 : x
  2. Step 2: Convert to fraction form
    20,973.87/28,946.34 = 12,024.18/x
  3. Step 3: Cross multiply
    20,973.87x = 28,946.34 × 12,024.18
  4. Step 4: Simplify right side
    20,973.87x = 348,056,002.50
  5. Step 5: Solve for x
    x = 348,056,002.50/20,973.87
  6. Step 6: Final answer
    x = 16,594.74

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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.