Home / 19,267.85-26,557.80-12,892.14

Finding the Fourth Proportional to 19,267.85, 26,557.80 and 12,892.14

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Solution

The fourth proportional to 19,267.85, 26,557.80 and 12,892.14 is: 17,769.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,267.85 : 26,557.80 = 12,892.14 : x
  2. Step 2: Convert to fraction form
    19,267.85/26,557.80 = 12,892.14/x
  3. Step 3: Cross multiply
    19,267.85x = 26,557.80 × 12,892.14
  4. Step 4: Simplify right side
    19,267.85x = 342,386,875.69
  5. Step 5: Solve for x
    x = 342,386,875.69/19,267.85
  6. Step 6: Final answer
    x = 17,769.85

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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.