Home / 19,002.47-28,501.13-4,963.48

Finding the Fourth Proportional to 19,002.47, 28,501.13 and 4,963.48

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Solution

The fourth proportional to 19,002.47, 28,501.13 and 4,963.48 is: 7,444.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,002.47 : 28,501.13 = 4,963.48 : x
  2. Step 2: Convert to fraction form
    19,002.47/28,501.13 = 4,963.48/x
  3. Step 3: Cross multiply
    19,002.47x = 28,501.13 × 4,963.48
  4. Step 4: Simplify right side
    19,002.47x = 141,464,729.89
  5. Step 5: Solve for x
    x = 141,464,729.89/19,002.47
  6. Step 6: Final answer
    x = 7,444.55

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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.