Home / 18,897.15-26,050.74-12,513.03

Finding the Fourth Proportional to 18,897.15, 26,050.74 and 12,513.03

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Solution

The fourth proportional to 18,897.15, 26,050.74 and 12,513.03 is: 17,249.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,897.15 : 26,050.74 = 12,513.03 : x
  2. Step 2: Convert to fraction form
    18,897.15/26,050.74 = 12,513.03/x
  3. Step 3: Cross multiply
    18,897.15x = 26,050.74 × 12,513.03
  4. Step 4: Simplify right side
    18,897.15x = 325,973,691.14
  5. Step 5: Solve for x
    x = 325,973,691.14/18,897.15
  6. Step 6: Final answer
    x = 17,249.89

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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.