Home / 16,870.23-23,290.16-10,157.36

Finding the Fourth Proportional to 16,870.23, 23,290.16 and 10,157.36

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Solution

The fourth proportional to 16,870.23, 23,290.16 and 10,157.36 is: 14,022.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,870.23 : 23,290.16 = 10,157.36 : x
  2. Step 2: Convert to fraction form
    16,870.23/23,290.16 = 10,157.36/x
  3. Step 3: Cross multiply
    16,870.23x = 23,290.16 × 10,157.36
  4. Step 4: Simplify right side
    16,870.23x = 236,566,372.34
  5. Step 5: Solve for x
    x = 236,566,372.34/16,870.23
  6. Step 6: Final answer
    x = 14,022.71

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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.