Home / 19,125.89-28,496.61-18,051.57

Finding the Fourth Proportional to 19,125.89, 28,496.61 and 18,051.57

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Solution

The fourth proportional to 19,125.89, 28,496.61 and 18,051.57 is: 26,895.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,125.89 : 28,496.61 = 18,051.57 : x
  2. Step 2: Convert to fraction form
    19,125.89/28,496.61 = 18,051.57/x
  3. Step 3: Cross multiply
    19,125.89x = 28,496.61 × 18,051.57
  4. Step 4: Simplify right side
    19,125.89x = 514,408,459.92
  5. Step 5: Solve for x
    x = 514,408,459.92/19,125.89
  6. Step 6: Final answer
    x = 26,895.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.