Home / 19,485.09-26,898.41-11,417.63

Finding the Fourth Proportional to 19,485.09, 26,898.41 and 11,417.63

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Solution

The fourth proportional to 19,485.09, 26,898.41 and 11,417.63 is: 15,761.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,485.09 : 26,898.41 = 11,417.63 : x
  2. Step 2: Convert to fraction form
    19,485.09/26,898.41 = 11,417.63/x
  3. Step 3: Cross multiply
    19,485.09x = 26,898.41 × 11,417.63
  4. Step 4: Simplify right side
    19,485.09x = 307,115,987.02
  5. Step 5: Solve for x
    x = 307,115,987.02/19,485.09
  6. Step 6: Final answer
    x = 15,761.59

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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.