Home / 19,848.08-29,772.75-9,981.97

Finding the Fourth Proportional to 19,848.08, 29,772.75 and 9,981.97

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Solution

The fourth proportional to 19,848.08, 29,772.75 and 9,981.97 is: 14,973.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,848.08 : 29,772.75 = 9,981.97 : x
  2. Step 2: Convert to fraction form
    19,848.08/29,772.75 = 9,981.97/x
  3. Step 3: Cross multiply
    19,848.08x = 29,772.75 × 9,981.97
  4. Step 4: Simplify right side
    19,848.08x = 297,190,548.45
  5. Step 5: Solve for x
    x = 297,190,548.45/19,848.08
  6. Step 6: Final answer
    x = 14,973.26

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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.