Home / 13,833.20-19,088.88-7,545.44

Finding the Fourth Proportional to 13,833.20, 19,088.88 and 7,545.44

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Solution

The fourth proportional to 13,833.20, 19,088.88 and 7,545.44 is: 10,412.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,833.20 : 19,088.88 = 7,545.44 : x
  2. Step 2: Convert to fraction form
    13,833.20/19,088.88 = 7,545.44/x
  3. Step 3: Cross multiply
    13,833.20x = 19,088.88 × 7,545.44
  4. Step 4: Simplify right side
    13,833.20x = 144,033,998.71
  5. Step 5: Solve for x
    x = 144,033,998.71/13,833.20
  6. Step 6: Final answer
    x = 10,412.20

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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.