Home / 14,580.02-21,870.71-4,720.07

Finding the Fourth Proportional to 14,580.02, 21,870.71 and 4,720.07

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Solution

The fourth proportional to 14,580.02, 21,870.71 and 4,720.07 is: 7,080.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,580.02 : 21,870.71 = 4,720.07 : x
  2. Step 2: Convert to fraction form
    14,580.02/21,870.71 = 4,720.07/x
  3. Step 3: Cross multiply
    14,580.02x = 21,870.71 × 4,720.07
  4. Step 4: Simplify right side
    14,580.02x = 103,231,282.15
  5. Step 5: Solve for x
    x = 103,231,282.15/14,580.02
  6. Step 6: Final answer
    x = 7,080.33

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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.