Home / 19,657.61-27,127.98-10,705.59

Finding the Fourth Proportional to 19,657.61, 27,127.98 and 10,705.59

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Solution

The fourth proportional to 19,657.61, 27,127.98 and 10,705.59 is: 14,773.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,657.61 : 27,127.98 = 10,705.59 : x
  2. Step 2: Convert to fraction form
    19,657.61/27,127.98 = 10,705.59/x
  3. Step 3: Cross multiply
    19,657.61x = 27,127.98 × 10,705.59
  4. Step 4: Simplify right side
    19,657.61x = 290,421,031.41
  5. Step 5: Solve for x
    x = 290,421,031.41/19,657.61
  6. Step 6: Final answer
    x = 14,773.98

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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.