Home / 19,032.50-26,276.37-12,420.02

Finding the Fourth Proportional to 19,032.50, 26,276.37 and 12,420.02

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Solution

The fourth proportional to 19,032.50, 26,276.37 and 12,420.02 is: 17,147.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,032.50 : 26,276.37 = 12,420.02 : x
  2. Step 2: Convert to fraction form
    19,032.50/26,276.37 = 12,420.02/x
  3. Step 3: Cross multiply
    19,032.50x = 26,276.37 × 12,420.02
  4. Step 4: Simplify right side
    19,032.50x = 326,353,040.93
  5. Step 5: Solve for x
    x = 326,353,040.93/19,032.50
  6. Step 6: Final answer
    x = 17,147.15

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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.