Home / 19,557.02-26,951.43-19,197.15

Finding the Fourth Proportional to 19,557.02, 26,951.43 and 19,197.15

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Solution

The fourth proportional to 19,557.02, 26,951.43 and 19,197.15 is: 26,455.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,557.02 : 26,951.43 = 19,197.15 : x
  2. Step 2: Convert to fraction form
    19,557.02/26,951.43 = 19,197.15/x
  3. Step 3: Cross multiply
    19,557.02x = 26,951.43 × 19,197.15
  4. Step 4: Simplify right side
    19,557.02x = 517,390,766.95
  5. Step 5: Solve for x
    x = 517,390,766.95/19,557.02
  6. Step 6: Final answer
    x = 26,455.50

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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.