Home / 16,816.51-23,206.31-9,647.63

Finding the Fourth Proportional to 16,816.51, 23,206.31 and 9,647.63

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Solution

The fourth proportional to 16,816.51, 23,206.31 and 9,647.63 is: 13,313.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,816.51 : 23,206.31 = 9,647.63 : x
  2. Step 2: Convert to fraction form
    16,816.51/23,206.31 = 9,647.63/x
  3. Step 3: Cross multiply
    16,816.51x = 23,206.31 × 9,647.63
  4. Step 4: Simplify right side
    16,816.51x = 223,885,728.28
  5. Step 5: Solve for x
    x = 223,885,728.28/16,816.51
  6. Step 6: Final answer
    x = 13,313.45

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Half scale
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Double scale
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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.