Home / 19,038.20-28,557.28-5,890.68

Finding the Fourth Proportional to 19,038.20, 28,557.28 and 5,890.68

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Solution

The fourth proportional to 19,038.20, 28,557.28 and 5,890.68 is: 8,836.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,038.20 : 28,557.28 = 5,890.68 : x
  2. Step 2: Convert to fraction form
    19,038.20/28,557.28 = 5,890.68/x
  3. Step 3: Cross multiply
    19,038.20x = 28,557.28 × 5,890.68
  4. Step 4: Simplify right side
    19,038.20x = 168,221,798.15
  5. Step 5: Solve for x
    x = 168,221,798.15/19,038.20
  6. Step 6: Final answer
    x = 8,836.01

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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.