Home / 19,440.63-26,830.43-10,945.93

Finding the Fourth Proportional to 19,440.63, 26,830.43 and 10,945.93

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Solution

The fourth proportional to 19,440.63, 26,830.43 and 10,945.93 is: 15,106.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,440.63 : 26,830.43 = 10,945.93 : x
  2. Step 2: Convert to fraction form
    19,440.63/26,830.43 = 10,945.93/x
  3. Step 3: Cross multiply
    19,440.63x = 26,830.43 × 10,945.93
  4. Step 4: Simplify right side
    19,440.63x = 293,684,008.65
  5. Step 5: Solve for x
    x = 293,684,008.65/19,440.63
  6. Step 6: Final answer
    x = 15,106.71

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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.