Home / 19,681.95-29,498.32-9,824.05

Finding the Fourth Proportional to 19,681.95, 29,498.32 and 9,824.05

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Solution

The fourth proportional to 19,681.95, 29,498.32 and 9,824.05 is: 14,723.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,681.95 : 29,498.32 = 9,824.05 : x
  2. Step 2: Convert to fraction form
    19,681.95/29,498.32 = 9,824.05/x
  3. Step 3: Cross multiply
    19,681.95x = 29,498.32 × 9,824.05
  4. Step 4: Simplify right side
    19,681.95x = 289,792,970.60
  5. Step 5: Solve for x
    x = 289,792,970.60/19,681.95
  6. Step 6: Final answer
    x = 14,723.79

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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.