Home / 19,679.04-27,156.72-10,726.48

Finding the Fourth Proportional to 19,679.04, 27,156.72 and 10,726.48

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Solution

The fourth proportional to 19,679.04, 27,156.72 and 10,726.48 is: 14,802.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,679.04 : 27,156.72 = 10,726.48 : x
  2. Step 2: Convert to fraction form
    19,679.04/27,156.72 = 10,726.48/x
  3. Step 3: Cross multiply
    19,679.04x = 27,156.72 × 10,726.48
  4. Step 4: Simplify right side
    19,679.04x = 291,296,013.95
  5. Step 5: Solve for x
    x = 291,296,013.95/19,679.04
  6. Step 6: Final answer
    x = 14,802.35

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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.