Home / 27,079.45-37,368.09-14,979.21

Finding the Fourth Proportional to 27,079.45, 37,368.09 and 14,979.21

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Solution

The fourth proportional to 27,079.45, 37,368.09 and 14,979.21 is: 20,670.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,079.45 : 37,368.09 = 14,979.21 : x
  2. Step 2: Convert to fraction form
    27,079.45/37,368.09 = 14,979.21/x
  3. Step 3: Cross multiply
    27,079.45x = 37,368.09 × 14,979.21
  4. Step 4: Simplify right side
    27,079.45x = 559,744,467.41
  5. Step 5: Solve for x
    x = 559,744,467.41/27,079.45
  6. Step 6: Final answer
    x = 20,670.45

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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.