Home / 23,070.26-31,854.02-14,129.96

Finding the Fourth Proportional to 23,070.26, 31,854.02 and 14,129.96

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Solution

The fourth proportional to 23,070.26, 31,854.02 and 14,129.96 is: 19,509.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,070.26 : 31,854.02 = 14,129.96 : x
  2. Step 2: Convert to fraction form
    23,070.26/31,854.02 = 14,129.96/x
  3. Step 3: Cross multiply
    23,070.26x = 31,854.02 × 14,129.96
  4. Step 4: Simplify right side
    23,070.26x = 450,095,798.52
  5. Step 5: Solve for x
    x = 450,095,798.52/23,070.26
  6. Step 6: Final answer
    x = 19,509.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.