Home / 19,423.58-26,787.98-16,413.40

Finding the Fourth Proportional to 19,423.58, 26,787.98 and 16,413.40

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Solution

The fourth proportional to 19,423.58, 26,787.98 and 16,413.40 is: 22,636.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,423.58 : 26,787.98 = 16,413.40 : x
  2. Step 2: Convert to fraction form
    19,423.58/26,787.98 = 16,413.40/x
  3. Step 3: Cross multiply
    19,423.58x = 26,787.98 × 16,413.40
  4. Step 4: Simplify right side
    19,423.58x = 439,681,830.93
  5. Step 5: Solve for x
    x = 439,681,830.93/19,423.58
  6. Step 6: Final answer
    x = 22,636.50

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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.