Home / 19,071.16-26,319.66-12,003.64

Finding the Fourth Proportional to 19,071.16, 26,319.66 and 12,003.64

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Solution

The fourth proportional to 19,071.16, 26,319.66 and 12,003.64 is: 16,565.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,071.16 : 26,319.66 = 12,003.64 : x
  2. Step 2: Convert to fraction form
    19,071.16/26,319.66 = 12,003.64/x
  3. Step 3: Cross multiply
    19,071.16x = 26,319.66 × 12,003.64
  4. Step 4: Simplify right side
    19,071.16x = 315,931,723.56
  5. Step 5: Solve for x
    x = 315,931,723.56/19,071.16
  6. Step 6: Final answer
    x = 16,565.94

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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.