Home / 15,886.48-23,830.26-7,572.64

Finding the Fourth Proportional to 15,886.48, 23,830.26 and 7,572.64

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Solution

The fourth proportional to 15,886.48, 23,830.26 and 7,572.64 is: 11,359.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,886.48 : 23,830.26 = 7,572.64 : x
  2. Step 2: Convert to fraction form
    15,886.48/23,830.26 = 7,572.64/x
  3. Step 3: Cross multiply
    15,886.48x = 23,830.26 × 7,572.64
  4. Step 4: Simplify right side
    15,886.48x = 180,457,980.09
  5. Step 5: Solve for x
    x = 180,457,980.09/15,886.48
  6. Step 6: Final answer
    x = 11,359.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.