Home / 19,339.40-26,686.26-11,384.12

Finding the Fourth Proportional to 19,339.40, 26,686.26 and 11,384.12

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Solution

The fourth proportional to 19,339.40, 26,686.26 and 11,384.12 is: 15,708.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,339.40 : 26,686.26 = 11,384.12 : x
  2. Step 2: Convert to fraction form
    19,339.40/26,686.26 = 11,384.12/x
  3. Step 3: Cross multiply
    19,339.40x = 26,686.26 × 11,384.12
  4. Step 4: Simplify right side
    19,339.40x = 303,799,586.19
  5. Step 5: Solve for x
    x = 303,799,586.19/19,339.40
  6. Step 6: Final answer
    x = 15,708.84

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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.