Home / 17,979.12-24,810.93-10,021.32

Finding the Fourth Proportional to 17,979.12, 24,810.93 and 10,021.32

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Solution

The fourth proportional to 17,979.12, 24,810.93 and 10,021.32 is: 13,829.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,979.12 : 24,810.93 = 10,021.32 : x
  2. Step 2: Convert to fraction form
    17,979.12/24,810.93 = 10,021.32/x
  3. Step 3: Cross multiply
    17,979.12x = 24,810.93 × 10,021.32
  4. Step 4: Simplify right side
    17,979.12x = 248,638,269.03
  5. Step 5: Solve for x
    x = 248,638,269.03/17,979.12
  6. Step 6: Final answer
    x = 13,829.28

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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.