Home / 22,971.80-31,700.40-14,016.08

Finding the Fourth Proportional to 22,971.80, 31,700.40 and 14,016.08

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Solution

The fourth proportional to 22,971.80, 31,700.40 and 14,016.08 is: 19,341.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,971.80 : 31,700.40 = 14,016.08 : x
  2. Step 2: Convert to fraction form
    22,971.80/31,700.40 = 14,016.08/x
  3. Step 3: Cross multiply
    22,971.80x = 31,700.40 × 14,016.08
  4. Step 4: Simplify right side
    22,971.80x = 444,315,342.43
  5. Step 5: Solve for x
    x = 444,315,342.43/22,971.80
  6. Step 6: Final answer
    x = 19,341.77

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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.