Home / 18,897.49-26,066.77-13,599.28

Finding the Fourth Proportional to 18,897.49, 26,066.77 and 13,599.28

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Solution

The fourth proportional to 18,897.49, 26,066.77 and 13,599.28 is: 18,758.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,897.49 : 26,066.77 = 13,599.28 : x
  2. Step 2: Convert to fraction form
    18,897.49/26,066.77 = 13,599.28/x
  3. Step 3: Cross multiply
    18,897.49x = 26,066.77 × 13,599.28
  4. Step 4: Simplify right side
    18,897.49x = 354,489,303.93
  5. Step 5: Solve for x
    x = 354,489,303.93/18,897.49
  6. Step 6: Final answer
    x = 18,758.54

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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.