Home / 19,657.76-27,127.52-10,705.24

Finding the Fourth Proportional to 19,657.76, 27,127.52 and 10,705.24

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Solution

The fourth proportional to 19,657.76, 27,127.52 and 10,705.24 is: 14,773.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,657.76 : 27,127.52 = 10,705.24 : x
  2. Step 2: Convert to fraction form
    19,657.76/27,127.52 = 10,705.24/x
  3. Step 3: Cross multiply
    19,657.76x = 27,127.52 × 10,705.24
  4. Step 4: Simplify right side
    19,657.76x = 290,406,612.20
  5. Step 5: Solve for x
    x = 290,406,612.20/19,657.76
  6. Step 6: Final answer
    x = 14,773.13

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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.