Home / 19,130.78-26,400.45-10,632.64

Finding the Fourth Proportional to 19,130.78, 26,400.45 and 10,632.64

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Solution

The fourth proportional to 19,130.78, 26,400.45 and 10,632.64 is: 14,673.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,130.78 : 26,400.45 = 10,632.64 : x
  2. Step 2: Convert to fraction form
    19,130.78/26,400.45 = 10,632.64/x
  3. Step 3: Cross multiply
    19,130.78x = 26,400.45 × 10,632.64
  4. Step 4: Simplify right side
    19,130.78x = 280,706,480.69
  5. Step 5: Solve for x
    x = 280,706,480.69/19,130.78
  6. Step 6: Final answer
    x = 14,673.03

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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.