Home / 19,153.47-28,730.09-7,466.69

Finding the Fourth Proportional to 19,153.47, 28,730.09 and 7,466.69

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Solution

The fourth proportional to 19,153.47, 28,730.09 and 7,466.69 is: 11,199.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,153.47 : 28,730.09 = 7,466.69 : x
  2. Step 2: Convert to fraction form
    19,153.47/28,730.09 = 7,466.69/x
  3. Step 3: Cross multiply
    19,153.47x = 28,730.09 × 7,466.69
  4. Step 4: Simplify right side
    19,153.47x = 214,518,494.72
  5. Step 5: Solve for x
    x = 214,518,494.72/19,153.47
  6. Step 6: Final answer
    x = 11,199.98

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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.