Home / 19,310.08-26,649.12-10,927.84

Finding the Fourth Proportional to 19,310.08, 26,649.12 and 10,927.84

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Solution

The fourth proportional to 19,310.08, 26,649.12 and 10,927.84 is: 15,081.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,310.08 : 26,649.12 = 10,927.84 : x
  2. Step 2: Convert to fraction form
    19,310.08/26,649.12 = 10,927.84/x
  3. Step 3: Cross multiply
    19,310.08x = 26,649.12 × 10,927.84
  4. Step 4: Simplify right side
    19,310.08x = 291,217,319.50
  5. Step 5: Solve for x
    x = 291,217,319.50/19,310.08
  6. Step 6: Final answer
    x = 15,081.10

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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.