Home / 25,253.12-34,845.72-14,075.12

Finding the Fourth Proportional to 25,253.12, 34,845.72 and 14,075.12

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Solution

The fourth proportional to 25,253.12, 34,845.72 and 14,075.12 is: 19,421.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,253.12 : 34,845.72 = 14,075.12 : x
  2. Step 2: Convert to fraction form
    25,253.12/34,845.72 = 14,075.12/x
  3. Step 3: Cross multiply
    25,253.12x = 34,845.72 × 14,075.12
  4. Step 4: Simplify right side
    25,253.12x = 490,457,690.49
  5. Step 5: Solve for x
    x = 490,457,690.49/25,253.12
  6. Step 6: Final answer
    x = 19,421.67

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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.