Home / 19,317.96-26,659.26-10,935

Finding the Fourth Proportional to 19,317.96, 26,659.26 and 10,935

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Solution

The fourth proportional to 19,317.96, 26,659.26 and 10,935 is: 15,090.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,317.96 : 26,659.26 = 10,935 : x
  2. Step 2: Convert to fraction form
    19,317.96/26,659.26 = 10,935/x
  3. Step 3: Cross multiply
    19,317.96x = 26,659.26 × 10,935
  4. Step 4: Simplify right side
    19,317.96x = 291,519,008.10
  5. Step 5: Solve for x
    x = 291,519,008.10/19,317.96
  6. Step 6: Final answer
    x = 15,090.57

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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.