Home / 19,292.31-26,615.55-12,575.58

Finding the Fourth Proportional to 19,292.31, 26,615.55 and 12,575.58

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Solution

The fourth proportional to 19,292.31, 26,615.55 and 12,575.58 is: 17,349.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,292.31 : 26,615.55 = 12,575.58 : x
  2. Step 2: Convert to fraction form
    19,292.31/26,615.55 = 12,575.58/x
  3. Step 3: Cross multiply
    19,292.31x = 26,615.55 × 12,575.58
  4. Step 4: Simplify right side
    19,292.31x = 334,705,978.27
  5. Step 5: Solve for x
    x = 334,705,978.27/19,292.31
  6. Step 6: Final answer
    x = 17,349.19

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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.