Home / 19,948.69-29,922.95-5,156.35

Finding the Fourth Proportional to 19,948.69, 29,922.95 and 5,156.35

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Solution

The fourth proportional to 19,948.69, 29,922.95 and 5,156.35 is: 7,734.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,948.69 : 29,922.95 = 5,156.35 : x
  2. Step 2: Convert to fraction form
    19,948.69/29,922.95 = 5,156.35/x
  3. Step 3: Cross multiply
    19,948.69x = 29,922.95 × 5,156.35
  4. Step 4: Simplify right side
    19,948.69x = 154,293,203.23
  5. Step 5: Solve for x
    x = 154,293,203.23/19,948.69
  6. Step 6: Final answer
    x = 7,734.50

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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.