Home / 18,607.51-27,848.89-15,275.57

Finding the Fourth Proportional to 18,607.51, 27,848.89 and 15,275.57

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Solution

The fourth proportional to 18,607.51, 27,848.89 and 15,275.57 is: 22,862.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,607.51 : 27,848.89 = 15,275.57 : x
  2. Step 2: Convert to fraction form
    18,607.51/27,848.89 = 15,275.57/x
  3. Step 3: Cross multiply
    18,607.51x = 27,848.89 × 15,275.57
  4. Step 4: Simplify right side
    18,607.51x = 425,407,592.24
  5. Step 5: Solve for x
    x = 425,407,592.24/18,607.51
  6. Step 6: Final answer
    x = 22,862.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.