Home / 23,280.85-32,126.63-12,670.49

Finding the Fourth Proportional to 23,280.85, 32,126.63 and 12,670.49

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Solution

The fourth proportional to 23,280.85, 32,126.63 and 12,670.49 is: 17,484.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,280.85 : 32,126.63 = 12,670.49 : x
  2. Step 2: Convert to fraction form
    23,280.85/32,126.63 = 12,670.49/x
  3. Step 3: Cross multiply
    23,280.85x = 32,126.63 × 12,670.49
  4. Step 4: Simplify right side
    23,280.85x = 407,060,161.11
  5. Step 5: Solve for x
    x = 407,060,161.11/23,280.85
  6. Step 6: Final answer
    x = 17,484.76

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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.