Home / 19,431.08-26,814.30-10,933.67

Finding the Fourth Proportional to 19,431.08, 26,814.30 and 10,933.67

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Solution

The fourth proportional to 19,431.08, 26,814.30 and 10,933.67 is: 15,088.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,431.08 : 26,814.30 = 10,933.67 : x
  2. Step 2: Convert to fraction form
    19,431.08/26,814.30 = 10,933.67/x
  3. Step 3: Cross multiply
    19,431.08x = 26,814.30 × 10,933.67
  4. Step 4: Simplify right side
    19,431.08x = 293,178,707.48
  5. Step 5: Solve for x
    x = 293,178,707.48/19,431.08
  6. Step 6: Final answer
    x = 15,088.13

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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.