Home / 15,368.64-23,057.52-4,980.16

Finding the Fourth Proportional to 15,368.64, 23,057.52 and 4,980.16

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Solution

The fourth proportional to 15,368.64, 23,057.52 and 4,980.16 is: 7,471.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,368.64 : 23,057.52 = 4,980.16 : x
  2. Step 2: Convert to fraction form
    15,368.64/23,057.52 = 4,980.16/x
  3. Step 3: Cross multiply
    15,368.64x = 23,057.52 × 4,980.16
  4. Step 4: Simplify right side
    15,368.64x = 114,830,138.80
  5. Step 5: Solve for x
    x = 114,830,138.80/15,368.64
  6. Step 6: Final answer
    x = 7,471.72

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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.