Home / 22,628.02-31,227.51-13,673.81

Finding the Fourth Proportional to 22,628.02, 31,227.51 and 13,673.81

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Solution

The fourth proportional to 22,628.02, 31,227.51 and 13,673.81 is: 18,870.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,628.02 : 31,227.51 = 13,673.81 : x
  2. Step 2: Convert to fraction form
    22,628.02/31,227.51 = 13,673.81/x
  3. Step 3: Cross multiply
    22,628.02x = 31,227.51 × 13,673.81
  4. Step 4: Simplify right side
    22,628.02x = 426,999,038.51
  5. Step 5: Solve for x
    x = 426,999,038.51/22,628.02
  6. Step 6: Final answer
    x = 18,870.37

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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.