Home / 25,715.84-35,491.14-14,385.96

Finding the Fourth Proportional to 25,715.84, 35,491.14 and 14,385.96

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Solution

The fourth proportional to 25,715.84, 35,491.14 and 14,385.96 is: 19,854.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,715.84 : 35,491.14 = 14,385.96 : x
  2. Step 2: Convert to fraction form
    25,715.84/35,491.14 = 14,385.96/x
  3. Step 3: Cross multiply
    25,715.84x = 35,491.14 × 14,385.96
  4. Step 4: Simplify right side
    25,715.84x = 510,574,120.39
  5. Step 5: Solve for x
    x = 510,574,120.39/25,715.84
  6. Step 6: Final answer
    x = 19,854.46

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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.