Home / 19,657.86-27,127.47-10,705.26

Finding the Fourth Proportional to 19,657.86, 27,127.47 and 10,705.26

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Solution

The fourth proportional to 19,657.86, 27,127.47 and 10,705.26 is: 14,773.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,657.86 : 27,127.47 = 10,705.26 : x
  2. Step 2: Convert to fraction form
    19,657.86/27,127.47 = 10,705.26/x
  3. Step 3: Cross multiply
    19,657.86x = 27,127.47 × 10,705.26
  4. Step 4: Simplify right side
    19,657.86x = 290,406,619.49
  5. Step 5: Solve for x
    x = 290,406,619.49/19,657.86
  6. Step 6: Final answer
    x = 14,773.05

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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.