Home / 19,033.28-28,547.87-4,994.72

Finding the Fourth Proportional to 19,033.28, 28,547.87 and 4,994.72

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Solution

The fourth proportional to 19,033.28, 28,547.87 and 4,994.72 is: 7,491.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,033.28 : 28,547.87 = 4,994.72 : x
  2. Step 2: Convert to fraction form
    19,033.28/28,547.87 = 4,994.72/x
  3. Step 3: Cross multiply
    19,033.28x = 28,547.87 × 4,994.72
  4. Step 4: Simplify right side
    19,033.28x = 142,588,617.25
  5. Step 5: Solve for x
    x = 142,588,617.25/19,033.28
  6. Step 6: Final answer
    x = 7,491.54

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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.