Home / 16,866.23-23,271.50-9,788.45

Finding the Fourth Proportional to 16,866.23, 23,271.50 and 9,788.45

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Solution

The fourth proportional to 16,866.23, 23,271.50 and 9,788.45 is: 13,505.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,866.23 : 23,271.50 = 9,788.45 : x
  2. Step 2: Convert to fraction form
    16,866.23/23,271.50 = 9,788.45/x
  3. Step 3: Cross multiply
    16,866.23x = 23,271.50 × 9,788.45
  4. Step 4: Simplify right side
    16,866.23x = 227,791,822.29
  5. Step 5: Solve for x
    x = 227,791,822.29/16,866.23
  6. Step 6: Final answer
    x = 13,505.80

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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.