Home / 18,505.08-25,536.72-10,547.76

Finding the Fourth Proportional to 18,505.08, 25,536.72 and 10,547.76

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Solution

The fourth proportional to 18,505.08, 25,536.72 and 10,547.76 is: 14,555.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,505.08 : 25,536.72 = 10,547.76 : x
  2. Step 2: Convert to fraction form
    18,505.08/25,536.72 = 10,547.76/x
  3. Step 3: Cross multiply
    18,505.08x = 25,536.72 × 10,547.76
  4. Step 4: Simplify right side
    18,505.08x = 269,355,193.75
  5. Step 5: Solve for x
    x = 269,355,193.75/18,505.08
  6. Step 6: Final answer
    x = 14,555.74

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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.