Home / 15,345.63-23,018.58-4,957.38

Finding the Fourth Proportional to 15,345.63, 23,018.58 and 4,957.38

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Solution

The fourth proportional to 15,345.63, 23,018.58 and 4,957.38 is: 7,436.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,345.63 : 23,018.58 = 4,957.38 : x
  2. Step 2: Convert to fraction form
    15,345.63/23,018.58 = 4,957.38/x
  3. Step 3: Cross multiply
    15,345.63x = 23,018.58 × 4,957.38
  4. Step 4: Simplify right side
    15,345.63x = 114,111,848.12
  5. Step 5: Solve for x
    x = 114,111,848.12/15,345.63
  6. Step 6: Final answer
    x = 7,436.11

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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.