Home / 25,688.63-35,450.43-14,358.31

Finding the Fourth Proportional to 25,688.63, 35,450.43 and 14,358.31

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Solution

The fourth proportional to 25,688.63, 35,450.43 and 14,358.31 is: 19,814.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,688.63 : 35,450.43 = 14,358.31 : x
  2. Step 2: Convert to fraction form
    25,688.63/35,450.43 = 14,358.31/x
  3. Step 3: Cross multiply
    25,688.63x = 35,450.43 × 14,358.31
  4. Step 4: Simplify right side
    25,688.63x = 509,008,263.57
  5. Step 5: Solve for x
    x = 509,008,263.57/25,688.63
  6. Step 6: Final answer
    x = 19,814.54

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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.