Home / 18,947.08-26,148.18-10,564.84

Finding the Fourth Proportional to 18,947.08, 26,148.18 and 10,564.84

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Solution

The fourth proportional to 18,947.08, 26,148.18 and 10,564.84 is: 14,580.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,947.08 : 26,148.18 = 10,564.84 : x
  2. Step 2: Convert to fraction form
    18,947.08/26,148.18 = 10,564.84/x
  3. Step 3: Cross multiply
    18,947.08x = 26,148.18 × 10,564.84
  4. Step 4: Simplify right side
    18,947.08x = 276,251,337.99
  5. Step 5: Solve for x
    x = 276,251,337.99/18,947.08
  6. Step 6: Final answer
    x = 14,580.15

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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.