Home / 14,285.07-21,430.05-4,926.06

Finding the Fourth Proportional to 14,285.07, 21,430.05 and 4,926.06

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Solution

The fourth proportional to 14,285.07, 21,430.05 and 4,926.06 is: 7,389.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,285.07 : 21,430.05 = 4,926.06 : x
  2. Step 2: Convert to fraction form
    14,285.07/21,430.05 = 4,926.06/x
  3. Step 3: Cross multiply
    14,285.07x = 21,430.05 × 4,926.06
  4. Step 4: Simplify right side
    14,285.07x = 105,565,712.10
  5. Step 5: Solve for x
    x = 105,565,712.10/14,285.07
  6. Step 6: Final answer
    x = 7,389.93

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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.