Home / 19,127.04-26,389.44-12,845.76

Finding the Fourth Proportional to 19,127.04, 26,389.44 and 12,845.76

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Solution

The fourth proportional to 19,127.04, 26,389.44 and 12,845.76 is: 17,723.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,127.04 : 26,389.44 = 12,845.76 : x
  2. Step 2: Convert to fraction form
    19,127.04/26,389.44 = 12,845.76/x
  3. Step 3: Cross multiply
    19,127.04x = 26,389.44 × 12,845.76
  4. Step 4: Simplify right side
    19,127.04x = 338,992,412.77
  5. Step 5: Solve for x
    x = 338,992,412.77/19,127.04
  6. Step 6: Final answer
    x = 17,723.20

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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.