Home / 14,580.16-21,870.06-4,719.22

Finding the Fourth Proportional to 14,580.16, 21,870.06 and 4,719.22

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Solution

The fourth proportional to 14,580.16, 21,870.06 and 4,719.22 is: 7,078.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,580.16 : 21,870.06 = 4,719.22 : x
  2. Step 2: Convert to fraction form
    14,580.16/21,870.06 = 4,719.22/x
  3. Step 3: Cross multiply
    14,580.16x = 21,870.06 × 4,719.22
  4. Step 4: Simplify right side
    14,580.16x = 103,209,624.55
  5. Step 5: Solve for x
    x = 103,209,624.55/14,580.16
  6. Step 6: Final answer
    x = 7,078.77

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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.