Home / 25,689.39-35,450.65-14,358.93

Finding the Fourth Proportional to 25,689.39, 35,450.65 and 14,358.93

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Solution

The fourth proportional to 25,689.39, 35,450.65 and 14,358.93 is: 19,814.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,689.39 : 35,450.65 = 14,358.93 : x
  2. Step 2: Convert to fraction form
    25,689.39/35,450.65 = 14,358.93/x
  3. Step 3: Cross multiply
    25,689.39x = 35,450.65 × 14,358.93
  4. Step 4: Simplify right side
    25,689.39x = 509,033,401.80
  5. Step 5: Solve for x
    x = 509,033,401.80/25,689.39
  6. Step 6: Final answer
    x = 19,814.93

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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.