Home / 20,246.34-27,927.69-13,065.01

Finding the Fourth Proportional to 20,246.34, 27,927.69 and 13,065.01

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Solution

The fourth proportional to 20,246.34, 27,927.69 and 13,065.01 is: 18,021.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,246.34 : 27,927.69 = 13,065.01 : x
  2. Step 2: Convert to fraction form
    20,246.34/27,927.69 = 13,065.01/x
  3. Step 3: Cross multiply
    20,246.34x = 27,927.69 × 13,065.01
  4. Step 4: Simplify right side
    20,246.34x = 364,875,549.13
  5. Step 5: Solve for x
    x = 364,875,549.13/20,246.34
  6. Step 6: Final answer
    x = 18,021.80

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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.