Home / 25,631.51-35,372.33-14,875.57

Finding the Fourth Proportional to 25,631.51, 35,372.33 and 14,875.57

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Solution

The fourth proportional to 25,631.51, 35,372.33 and 14,875.57 is: 20,528.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,631.51 : 35,372.33 = 14,875.57 : x
  2. Step 2: Convert to fraction form
    25,631.51/35,372.33 = 14,875.57/x
  3. Step 3: Cross multiply
    25,631.51x = 35,372.33 × 14,875.57
  4. Step 4: Simplify right side
    25,631.51x = 526,183,758.84
  5. Step 5: Solve for x
    x = 526,183,758.84/25,631.51
  6. Step 6: Final answer
    x = 20,528.78

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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.