Home / 25,640.10-38,465.55-10,841.40

Finding the Fourth Proportional to 25,640.10, 38,465.55 and 10,841.40

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Solution

The fourth proportional to 25,640.10, 38,465.55 and 10,841.40 is: 16,264.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,640.10 : 38,465.55 = 10,841.40 : x
  2. Step 2: Convert to fraction form
    25,640.10/38,465.55 = 10,841.40/x
  3. Step 3: Cross multiply
    25,640.10x = 38,465.55 × 10,841.40
  4. Step 4: Simplify right side
    25,640.10x = 417,020,413.77
  5. Step 5: Solve for x
    x = 417,020,413.77/25,640.10
  6. Step 6: Final answer
    x = 16,264.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.