Home / 16,506.48-22,753.80-13,979.28

Finding the Fourth Proportional to 16,506.48, 22,753.80 and 13,979.28

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Solution

The fourth proportional to 16,506.48, 22,753.80 and 13,979.28 is: 19,270.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,506.48 : 22,753.80 = 13,979.28 : x
  2. Step 2: Convert to fraction form
    16,506.48/22,753.80 = 13,979.28/x
  3. Step 3: Cross multiply
    16,506.48x = 22,753.80 × 13,979.28
  4. Step 4: Simplify right side
    16,506.48x = 318,081,741.26
  5. Step 5: Solve for x
    x = 318,081,741.26/16,506.48
  6. Step 6: Final answer
    x = 19,270.11

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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.