Home / 19,085.48-26,340.41-11,127.77

Finding the Fourth Proportional to 19,085.48, 26,340.41 and 11,127.77

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Solution

The fourth proportional to 19,085.48, 26,340.41 and 11,127.77 is: 15,357.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,085.48 : 26,340.41 = 11,127.77 : x
  2. Step 2: Convert to fraction form
    19,085.48/26,340.41 = 11,127.77/x
  3. Step 3: Cross multiply
    19,085.48x = 26,340.41 × 11,127.77
  4. Step 4: Simplify right side
    19,085.48x = 293,110,024.19
  5. Step 5: Solve for x
    x = 293,110,024.19/19,085.48
  6. Step 6: Final answer
    x = 15,357.75

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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.