Home / 19,705.12-27,192.53-10,752.62

Finding the Fourth Proportional to 19,705.12, 27,192.53 and 10,752.62

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Solution

The fourth proportional to 19,705.12, 27,192.53 and 10,752.62 is: 14,838.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,705.12 : 27,192.53 = 10,752.62 : x
  2. Step 2: Convert to fraction form
    19,705.12/27,192.53 = 10,752.62/x
  3. Step 3: Cross multiply
    19,705.12x = 27,192.53 × 10,752.62
  4. Step 4: Simplify right side
    19,705.12x = 292,390,941.93
  5. Step 5: Solve for x
    x = 292,390,941.93/19,705.12
  6. Step 6: Final answer
    x = 14,838.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.