Home / 19,380.53-29,071.51-5,341.68

Finding the Fourth Proportional to 19,380.53, 29,071.51 and 5,341.68

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Solution

The fourth proportional to 19,380.53, 29,071.51 and 5,341.68 is: 8,012.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,380.53 : 29,071.51 = 5,341.68 : x
  2. Step 2: Convert to fraction form
    19,380.53/29,071.51 = 5,341.68/x
  3. Step 3: Cross multiply
    19,380.53x = 29,071.51 × 5,341.68
  4. Step 4: Simplify right side
    19,380.53x = 155,290,690.18
  5. Step 5: Solve for x
    x = 155,290,690.18/19,380.53
  6. Step 6: Final answer
    x = 8,012.72

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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.