Home / 19,496.05-26,892.16-12,782.11

Finding the Fourth Proportional to 19,496.05, 26,892.16 and 12,782.11

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Solution

The fourth proportional to 19,496.05, 26,892.16 and 12,782.11 is: 17,631.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,496.05 : 26,892.16 = 12,782.11 : x
  2. Step 2: Convert to fraction form
    19,496.05/26,892.16 = 12,782.11/x
  3. Step 3: Cross multiply
    19,496.05x = 26,892.16 × 12,782.11
  4. Step 4: Simplify right side
    19,496.05x = 343,738,547.26
  5. Step 5: Solve for x
    x = 343,738,547.26/19,496.05
  6. Step 6: Final answer
    x = 17,631.19

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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.