Home / 23,280.13-32,127.26-12,670.45

Finding the Fourth Proportional to 23,280.13, 32,127.26 and 12,670.45

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Solution

The fourth proportional to 23,280.13, 32,127.26 and 12,670.45 is: 17,485.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,280.13 : 32,127.26 = 12,670.45 : x
  2. Step 2: Convert to fraction form
    23,280.13/32,127.26 = 12,670.45/x
  3. Step 3: Cross multiply
    23,280.13x = 32,127.26 × 12,670.45
  4. Step 4: Simplify right side
    23,280.13x = 407,066,841.47
  5. Step 5: Solve for x
    x = 407,066,841.47/23,280.13
  6. Step 6: Final answer
    x = 17,485.59

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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.