Home / 25,307.96-34,922.40-14,699.84

Finding the Fourth Proportional to 25,307.96, 34,922.40 and 14,699.84

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Solution

The fourth proportional to 25,307.96, 34,922.40 and 14,699.84 is: 20,284.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,307.96 : 34,922.40 = 14,699.84 : x
  2. Step 2: Convert to fraction form
    25,307.96/34,922.40 = 14,699.84/x
  3. Step 3: Cross multiply
    25,307.96x = 34,922.40 × 14,699.84
  4. Step 4: Simplify right side
    25,307.96x = 513,353,692.42
  5. Step 5: Solve for x
    x = 513,353,692.42/25,307.96
  6. Step 6: Final answer
    x = 20,284.28

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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.