Home / 19,709.35-29,420.12-17,095.28

Finding the Fourth Proportional to 19,709.35, 29,420.12 and 17,095.28

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Solution

The fourth proportional to 19,709.35, 29,420.12 and 17,095.28 is: 25,518.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,709.35 : 29,420.12 = 17,095.28 : x
  2. Step 2: Convert to fraction form
    19,709.35/29,420.12 = 17,095.28/x
  3. Step 3: Cross multiply
    19,709.35x = 29,420.12 × 17,095.28
  4. Step 4: Simplify right side
    19,709.35x = 502,945,084.67
  5. Step 5: Solve for x
    x = 502,945,084.67/19,709.35
  6. Step 6: Final answer
    x = 25,518.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.