Home / 22,762.79-31,417.70-14,791.18

Finding the Fourth Proportional to 22,762.79, 31,417.70 and 14,791.18

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Solution

The fourth proportional to 22,762.79, 31,417.70 and 14,791.18 is: 20,415.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,762.79 : 31,417.70 = 14,791.18 : x
  2. Step 2: Convert to fraction form
    22,762.79/31,417.70 = 14,791.18/x
  3. Step 3: Cross multiply
    22,762.79x = 31,417.70 × 14,791.18
  4. Step 4: Simplify right side
    22,762.79x = 464,704,703.39
  5. Step 5: Solve for x
    x = 464,704,703.39/22,762.79
  6. Step 6: Final answer
    x = 20,415.10

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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.