Home / 23,280.81-32,156.37-16,897.20

Finding the Fourth Proportional to 23,280.81, 32,156.37 and 16,897.20

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Solution

The fourth proportional to 23,280.81, 32,156.37 and 16,897.20 is: 23,339.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,280.81 : 32,156.37 = 16,897.20 : x
  2. Step 2: Convert to fraction form
    23,280.81/32,156.37 = 16,897.20/x
  3. Step 3: Cross multiply
    23,280.81x = 32,156.37 × 16,897.20
  4. Step 4: Simplify right side
    23,280.81x = 543,352,615.16
  5. Step 5: Solve for x
    x = 543,352,615.16/23,280.81
  6. Step 6: Final answer
    x = 23,339.08

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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.