Home / 20,852.16-31,199.76-14,624.33

Finding the Fourth Proportional to 20,852.16, 31,199.76 and 14,624.33

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Solution

The fourth proportional to 20,852.16, 31,199.76 and 14,624.33 is: 21,881.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,852.16 : 31,199.76 = 14,624.33 : x
  2. Step 2: Convert to fraction form
    20,852.16/31,199.76 = 14,624.33/x
  3. Step 3: Cross multiply
    20,852.16x = 31,199.76 × 14,624.33
  4. Step 4: Simplify right side
    20,852.16x = 456,275,430.16
  5. Step 5: Solve for x
    x = 456,275,430.16/20,852.16
  6. Step 6: Final answer
    x = 21,881.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.