Home / 19,303.14-26,638.71-15,059.00

Finding the Fourth Proportional to 19,303.14, 26,638.71 and 15,059.00

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Solution

The fourth proportional to 19,303.14, 26,638.71 and 15,059.00 is: 20,781.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,303.14 : 26,638.71 = 15,059.00 : x
  2. Step 2: Convert to fraction form
    19,303.14/26,638.71 = 15,059.00/x
  3. Step 3: Cross multiply
    19,303.14x = 26,638.71 × 15,059.00
  4. Step 4: Simplify right side
    19,303.14x = 401,152,200.70
  5. Step 5: Solve for x
    x = 401,152,200.70/19,303.14
  6. Step 6: Final answer
    x = 20,781.71

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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.