Home / 18,269.08-25,210.83-10,312.05

Finding the Fourth Proportional to 18,269.08, 25,210.83 and 10,312.05

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Solution

The fourth proportional to 18,269.08, 25,210.83 and 10,312.05 is: 14,230.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,269.08 : 25,210.83 = 10,312.05 : x
  2. Step 2: Convert to fraction form
    18,269.08/25,210.83 = 10,312.05/x
  3. Step 3: Cross multiply
    18,269.08x = 25,210.83 × 10,312.05
  4. Step 4: Simplify right side
    18,269.08x = 259,975,339.50
  5. Step 5: Solve for x
    x = 259,975,339.50/18,269.08
  6. Step 6: Final answer
    x = 14,230.35

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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.