Home / 19,360.52-26,771.10-15,374.60

Finding the Fourth Proportional to 19,360.52, 26,771.10 and 15,374.60

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Solution

The fourth proportional to 19,360.52, 26,771.10 and 15,374.60 is: 21,259.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,360.52 : 26,771.10 = 15,374.60 : x
  2. Step 2: Convert to fraction form
    19,360.52/26,771.10 = 15,374.60/x
  3. Step 3: Cross multiply
    19,360.52x = 26,771.10 × 15,374.60
  4. Step 4: Simplify right side
    19,360.52x = 411,594,954.06
  5. Step 5: Solve for x
    x = 411,594,954.06/19,360.52
  6. Step 6: Final answer
    x = 21,259.50

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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.