Home / 19,023.20-28,538.69-6,541.60

Finding the Fourth Proportional to 19,023.20, 28,538.69 and 6,541.60

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Solution

The fourth proportional to 19,023.20, 28,538.69 and 6,541.60 is: 9,813.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,023.20 : 28,538.69 = 6,541.60 : x
  2. Step 2: Convert to fraction form
    19,023.20/28,538.69 = 6,541.60/x
  3. Step 3: Cross multiply
    19,023.20x = 28,538.69 × 6,541.60
  4. Step 4: Simplify right side
    19,023.20x = 186,688,730.18
  5. Step 5: Solve for x
    x = 186,688,730.18/19,023.20
  6. Step 6: Final answer
    x = 9,813.74

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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.