Home / 19,352.61-28,990.04-11,557.17

Finding the Fourth Proportional to 19,352.61, 28,990.04 and 11,557.17

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Solution

The fourth proportional to 19,352.61, 28,990.04 and 11,557.17 is: 17,312.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,352.61 : 28,990.04 = 11,557.17 : x
  2. Step 2: Convert to fraction form
    19,352.61/28,990.04 = 11,557.17/x
  3. Step 3: Cross multiply
    19,352.61x = 28,990.04 × 11,557.17
  4. Step 4: Simplify right side
    19,352.61x = 335,042,762.80
  5. Step 5: Solve for x
    x = 335,042,762.80/19,352.61
  6. Step 6: Final answer
    x = 17,312.54

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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.