Home / 14,977.51-20,673.80-9,668.23

Finding the Fourth Proportional to 14,977.51, 20,673.80 and 9,668.23

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Solution

The fourth proportional to 14,977.51, 20,673.80 and 9,668.23 is: 13,345.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,977.51 : 20,673.80 = 9,668.23 : x
  2. Step 2: Convert to fraction form
    14,977.51/20,673.80 = 9,668.23/x
  3. Step 3: Cross multiply
    14,977.51x = 20,673.80 × 9,668.23
  4. Step 4: Simplify right side
    14,977.51x = 199,878,989.60
  5. Step 5: Solve for x
    x = 199,878,989.60/14,977.51
  6. Step 6: Final answer
    x = 13,345.28

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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.