Home / 18,888.84-26,063.64-10,505.34

Finding the Fourth Proportional to 18,888.84, 26,063.64 and 10,505.34

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Solution

The fourth proportional to 18,888.84, 26,063.64 and 10,505.34 is: 14,495.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,888.84 : 26,063.64 = 10,505.34 : x
  2. Step 2: Convert to fraction form
    18,888.84/26,063.64 = 10,505.34/x
  3. Step 3: Cross multiply
    18,888.84x = 26,063.64 × 10,505.34
  4. Step 4: Simplify right side
    18,888.84x = 273,807,399.84
  5. Step 5: Solve for x
    x = 273,807,399.84/18,888.84
  6. Step 6: Final answer
    x = 14,495.72

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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.