Home / 18,746.25-25,870.10-10,362.75

Finding the Fourth Proportional to 18,746.25, 25,870.10 and 10,362.75

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Solution

The fourth proportional to 18,746.25, 25,870.10 and 10,362.75 is: 14,300.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,746.25 : 25,870.10 = 10,362.75 : x
  2. Step 2: Convert to fraction form
    18,746.25/25,870.10 = 10,362.75/x
  3. Step 3: Cross multiply
    18,746.25x = 25,870.10 × 10,362.75
  4. Step 4: Simplify right side
    18,746.25x = 268,085,326.96
  5. Step 5: Solve for x
    x = 268,085,326.96/18,746.25
  6. Step 6: Final answer
    x = 14,300.74

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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.