Home / 19,623.16-27,085.89-13,339.18

Finding the Fourth Proportional to 19,623.16, 27,085.89 and 13,339.18

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Solution

The fourth proportional to 19,623.16, 27,085.89 and 13,339.18 is: 18,412.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,623.16 : 27,085.89 = 13,339.18 : x
  2. Step 2: Convert to fraction form
    19,623.16/27,085.89 = 13,339.18/x
  3. Step 3: Cross multiply
    19,623.16x = 27,085.89 × 13,339.18
  4. Step 4: Simplify right side
    19,623.16x = 361,303,562.17
  5. Step 5: Solve for x
    x = 361,303,562.17/19,623.16
  6. Step 6: Final answer
    x = 18,412.10

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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.