Home / 25,931.32-38,896.70-17,590.68

Finding the Fourth Proportional to 25,931.32, 38,896.70 and 17,590.68

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Solution

The fourth proportional to 25,931.32, 38,896.70 and 17,590.68 is: 26,385.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,931.32 : 38,896.70 = 17,590.68 : x
  2. Step 2: Convert to fraction form
    25,931.32/38,896.70 = 17,590.68/x
  3. Step 3: Cross multiply
    25,931.32x = 38,896.70 × 17,590.68
  4. Step 4: Simplify right side
    25,931.32x = 684,219,402.76
  5. Step 5: Solve for x
    x = 684,219,402.76/25,931.32
  6. Step 6: Final answer
    x = 26,385.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.