Home / 22,560.14-31,119.37-14,491.07

Finding the Fourth Proportional to 22,560.14, 31,119.37 and 14,491.07

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Solution

The fourth proportional to 22,560.14, 31,119.37 and 14,491.07 is: 19,988.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,560.14 : 31,119.37 = 14,491.07 : x
  2. Step 2: Convert to fraction form
    22,560.14/31,119.37 = 14,491.07/x
  3. Step 3: Cross multiply
    22,560.14x = 31,119.37 × 14,491.07
  4. Step 4: Simplify right side
    22,560.14x = 450,953,068.95
  5. Step 5: Solve for x
    x = 450,953,068.95/22,560.14
  6. Step 6: Final answer
    x = 19,988.93

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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.