Home / 42,692.62-64,038.93-14,613.04

Finding the Fourth Proportional to 42,692.62, 64,038.93 and 14,613.04

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Solution

The fourth proportional to 42,692.62, 64,038.93 and 14,613.04 is: 21,919.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,692.62 : 64,038.93 = 14,613.04 : x
  2. Step 2: Convert to fraction form
    42,692.62/64,038.93 = 14,613.04/x
  3. Step 3: Cross multiply
    42,692.62x = 64,038.93 × 14,613.04
  4. Step 4: Simplify right side
    42,692.62x = 935,803,445.65
  5. Step 5: Solve for x
    x = 935,803,445.65/42,692.62
  6. Step 6: Final answer
    x = 21,919.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.