Home / 19,875.18-27,426.15-11,492.22

Finding the Fourth Proportional to 19,875.18, 27,426.15 and 11,492.22

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Solution

The fourth proportional to 19,875.18, 27,426.15 and 11,492.22 is: 15,858.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,875.18 : 27,426.15 = 11,492.22 : x
  2. Step 2: Convert to fraction form
    19,875.18/27,426.15 = 11,492.22/x
  3. Step 3: Cross multiply
    19,875.18x = 27,426.15 × 11,492.22
  4. Step 4: Simplify right side
    19,875.18x = 315,187,349.55
  5. Step 5: Solve for x
    x = 315,187,349.55/19,875.18
  6. Step 6: Final answer
    x = 15,858.34

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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.