Home / 19,186.32-26,476.72-10,688.43

Finding the Fourth Proportional to 19,186.32, 26,476.72 and 10,688.43

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Solution

The fourth proportional to 19,186.32, 26,476.72 and 10,688.43 is: 14,749.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,186.32 : 26,476.72 = 10,688.43 : x
  2. Step 2: Convert to fraction form
    19,186.32/26,476.72 = 10,688.43/x
  3. Step 3: Cross multiply
    19,186.32x = 26,476.72 × 10,688.43
  4. Step 4: Simplify right side
    19,186.32x = 282,994,475.44
  5. Step 5: Solve for x
    x = 282,994,475.44/19,186.32
  6. Step 6: Final answer
    x = 14,749.81

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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.