Home / 22,750.89-31,397.81-13,798.77

Finding the Fourth Proportional to 22,750.89, 31,397.81 and 13,798.77

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Solution

The fourth proportional to 22,750.89, 31,397.81 and 13,798.77 is: 19,043.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,750.89 : 31,397.81 = 13,798.77 : x
  2. Step 2: Convert to fraction form
    22,750.89/31,397.81 = 13,798.77/x
  3. Step 3: Cross multiply
    22,750.89x = 31,397.81 × 13,798.77
  4. Step 4: Simplify right side
    22,750.89x = 433,251,089.70
  5. Step 5: Solve for x
    x = 433,251,089.70/22,750.89
  6. Step 6: Final answer
    x = 19,043.26

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1.5x scale

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.