Home / 24,390.86-33,661.40-13,782.51

Finding the Fourth Proportional to 24,390.86, 33,661.40 and 13,782.51

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Solution

The fourth proportional to 24,390.86, 33,661.40 and 13,782.51 is: 19,021.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,390.86 : 33,661.40 = 13,782.51 : x
  2. Step 2: Convert to fraction form
    24,390.86/33,661.40 = 13,782.51/x
  3. Step 3: Cross multiply
    24,390.86x = 33,661.40 × 13,782.51
  4. Step 4: Simplify right side
    24,390.86x = 463,938,513.20
  5. Step 5: Solve for x
    x = 463,938,513.20/24,390.86
  6. Step 6: Final answer
    x = 19,021.00

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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.