Home / 15,663.93-23,464.57-9,420.51

Finding the Fourth Proportional to 15,663.93, 23,464.57 and 9,420.51

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Solution

The fourth proportional to 15,663.93, 23,464.57 and 9,420.51 is: 14,111.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,663.93 : 23,464.57 = 9,420.51 : x
  2. Step 2: Convert to fraction form
    15,663.93/23,464.57 = 9,420.51/x
  3. Step 3: Cross multiply
    15,663.93x = 23,464.57 × 9,420.51
  4. Step 4: Simplify right side
    15,663.93x = 221,048,216.33
  5. Step 5: Solve for x
    x = 221,048,216.33/15,663.93
  6. Step 6: Final answer
    x = 14,111.93

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1.5x scale

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.