Home / 20,355.03-28,041.39-16,746.48

Finding the Fourth Proportional to 20,355.03, 28,041.39 and 16,746.48

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Solution

The fourth proportional to 20,355.03, 28,041.39 and 16,746.48 is: 23,070.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,355.03 : 28,041.39 = 16,746.48 : x
  2. Step 2: Convert to fraction form
    20,355.03/28,041.39 = 16,746.48/x
  3. Step 3: Cross multiply
    20,355.03x = 28,041.39 × 16,746.48
  4. Step 4: Simplify right side
    20,355.03x = 469,594,576.81
  5. Step 5: Solve for x
    x = 469,594,576.81/20,355.03
  6. Step 6: Final answer
    x = 23,070.20

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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.