Home / 22,779.29-31,433.89-14,281.07

Finding the Fourth Proportional to 22,779.29, 31,433.89 and 14,281.07

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Solution

The fourth proportional to 22,779.29, 31,433.89 and 14,281.07 is: 19,706.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,779.29 : 31,433.89 = 14,281.07 : x
  2. Step 2: Convert to fraction form
    22,779.29/31,433.89 = 14,281.07/x
  3. Step 3: Cross multiply
    22,779.29x = 31,433.89 × 14,281.07
  4. Step 4: Simplify right side
    22,779.29x = 448,909,512.06
  5. Step 5: Solve for x
    x = 448,909,512.06/22,779.29
  6. Step 6: Final answer
    x = 19,706.92

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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.