Home / 17,157.10-23,644.68-12,368.72

Finding the Fourth Proportional to 17,157.10, 23,644.68 and 12,368.72

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Solution

The fourth proportional to 17,157.10, 23,644.68 and 12,368.72 is: 17,045.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,157.10 : 23,644.68 = 12,368.72 : x
  2. Step 2: Convert to fraction form
    17,157.10/23,644.68 = 12,368.72/x
  3. Step 3: Cross multiply
    17,157.10x = 23,644.68 × 12,368.72
  4. Step 4: Simplify right side
    17,157.10x = 292,454,426.41
  5. Step 5: Solve for x
    x = 292,454,426.41/17,157.10
  6. Step 6: Final answer
    x = 17,045.68

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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.