Home / 19,485.41-26,890.13-11,527.43

Finding the Fourth Proportional to 19,485.41, 26,890.13 and 11,527.43

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Solution

The fourth proportional to 19,485.41, 26,890.13 and 11,527.43 is: 15,908.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,485.41 : 26,890.13 = 11,527.43 : x
  2. Step 2: Convert to fraction form
    19,485.41/26,890.13 = 11,527.43/x
  3. Step 3: Cross multiply
    19,485.41x = 26,890.13 × 11,527.43
  4. Step 4: Simplify right side
    19,485.41x = 309,974,033.63
  5. Step 5: Solve for x
    x = 309,974,033.63/19,485.41
  6. Step 6: Final answer
    x = 15,908.01

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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.