Home / 18,413.76-25,411.14-10,030.26

Finding the Fourth Proportional to 18,413.76, 25,411.14 and 10,030.26

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Solution

The fourth proportional to 18,413.76, 25,411.14 and 10,030.26 is: 13,841.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,413.76 : 25,411.14 = 10,030.26 : x
  2. Step 2: Convert to fraction form
    18,413.76/25,411.14 = 10,030.26/x
  3. Step 3: Cross multiply
    18,413.76x = 25,411.14 × 10,030.26
  4. Step 4: Simplify right side
    18,413.76x = 254,880,341.10
  5. Step 5: Solve for x
    x = 254,880,341.10/18,413.76
  6. Step 6: Final answer
    x = 13,841.84

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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.