Home / 19,172.99-26,454.66-12,095.31

Finding the Fourth Proportional to 19,172.99, 26,454.66 and 12,095.31

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Solution

The fourth proportional to 19,172.99, 26,454.66 and 12,095.31 is: 16,688.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,172.99 : 26,454.66 = 12,095.31 : x
  2. Step 2: Convert to fraction form
    19,172.99/26,454.66 = 12,095.31/x
  3. Step 3: Cross multiply
    19,172.99x = 26,454.66 × 12,095.31
  4. Step 4: Simplify right side
    19,172.99x = 319,977,313.64
  5. Step 5: Solve for x
    x = 319,977,313.64/19,172.99
  6. Step 6: Final answer
    x = 16,688.96

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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.