Home / 19,864.81-27,370.14-14,827

Finding the Fourth Proportional to 19,864.81, 27,370.14 and 14,827

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Solution

The fourth proportional to 19,864.81, 27,370.14 and 14,827 is: 20,428.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,864.81 : 27,370.14 = 14,827 : x
  2. Step 2: Convert to fraction form
    19,864.81/27,370.14 = 14,827/x
  3. Step 3: Cross multiply
    19,864.81x = 27,370.14 × 14,827
  4. Step 4: Simplify right side
    19,864.81x = 405,817,065.78
  5. Step 5: Solve for x
    x = 405,817,065.78/19,864.81
  6. Step 6: Final answer
    x = 20,428.94

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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.