Home / 19,157.29-26,430.90-11,601.20

Finding the Fourth Proportional to 19,157.29, 26,430.90 and 11,601.20

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Solution

The fourth proportional to 19,157.29, 26,430.90 and 11,601.20 is: 16,005.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,157.29 : 26,430.90 = 11,601.20 : x
  2. Step 2: Convert to fraction form
    19,157.29/26,430.90 = 11,601.20/x
  3. Step 3: Cross multiply
    19,157.29x = 26,430.90 × 11,601.20
  4. Step 4: Simplify right side
    19,157.29x = 306,630,157.08
  5. Step 5: Solve for x
    x = 306,630,157.08/19,157.29
  6. Step 6: Final answer
    x = 16,005.93

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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.