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Finding the Fourth Proportional to 19,101.01, 26,354.01 and 12,386.92

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Solution

The fourth proportional to 19,101.01, 26,354.01 and 12,386.92 is: 17,090.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,101.01 : 26,354.01 = 12,386.92 : x
  2. Step 2: Convert to fraction form
    19,101.01/26,354.01 = 12,386.92/x
  3. Step 3: Cross multiply
    19,101.01x = 26,354.01 × 12,386.92
  4. Step 4: Simplify right side
    19,101.01x = 326,445,013.55
  5. Step 5: Solve for x
    x = 326,445,013.55/19,101.01
  6. Step 6: Final answer
    x = 17,090.46

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Double scale
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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.