Home / 19,312.32-26,650.08-11,858.88

Finding the Fourth Proportional to 19,312.32, 26,650.08 and 11,858.88

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Solution

The fourth proportional to 19,312.32, 26,650.08 and 11,858.88 is: 16,364.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,312.32 : 26,650.08 = 11,858.88 : x
  2. Step 2: Convert to fraction form
    19,312.32/26,650.08 = 11,858.88/x
  3. Step 3: Cross multiply
    19,312.32x = 26,650.08 × 11,858.88
  4. Step 4: Simplify right side
    19,312.32x = 316,040,100.71
  5. Step 5: Solve for x
    x = 316,040,100.71/19,312.32
  6. Step 6: Final answer
    x = 16,364.69

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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.