Home / 14,607.84-20,116.35-12,692.76

Finding the Fourth Proportional to 14,607.84, 20,116.35 and 12,692.76

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Solution

The fourth proportional to 14,607.84, 20,116.35 and 12,692.76 is: 17,479.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,607.84 : 20,116.35 = 12,692.76 : x
  2. Step 2: Convert to fraction form
    14,607.84/20,116.35 = 12,692.76/x
  3. Step 3: Cross multiply
    14,607.84x = 20,116.35 × 12,692.76
  4. Step 4: Simplify right side
    14,607.84x = 255,332,002.63
  5. Step 5: Solve for x
    x = 255,332,002.63/14,607.84
  6. Step 6: Final answer
    x = 17,479.11

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Half scale
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Double scale
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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.