Home / 19,875.13-27,454.23-13,926.49

Finding the Fourth Proportional to 19,875.13, 27,454.23 and 13,926.49

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Solution

The fourth proportional to 19,875.13, 27,454.23 and 13,926.49 is: 19,237.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,875.13 : 27,454.23 = 13,926.49 : x
  2. Step 2: Convert to fraction form
    19,875.13/27,454.23 = 13,926.49/x
  3. Step 3: Cross multiply
    19,875.13x = 27,454.23 × 13,926.49
  4. Step 4: Simplify right side
    19,875.13x = 382,341,059.55
  5. Step 5: Solve for x
    x = 382,341,059.55/19,875.13
  6. Step 6: Final answer
    x = 19,237.16

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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.