Home / 23,420.93-32,321.65-12,810.56

Finding the Fourth Proportional to 23,420.93, 32,321.65 and 12,810.56

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Solution

The fourth proportional to 23,420.93, 32,321.65 and 12,810.56 is: 17,678.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,420.93 : 32,321.65 = 12,810.56 : x
  2. Step 2: Convert to fraction form
    23,420.93/32,321.65 = 12,810.56/x
  3. Step 3: Cross multiply
    23,420.93x = 32,321.65 × 12,810.56
  4. Step 4: Simplify right side
    23,420.93x = 414,058,267.01
  5. Step 5: Solve for x
    x = 414,058,267.01/23,420.93
  6. Step 6: Final answer
    x = 17,678.98

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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.