Home / 16,445.89-22,687.63-10,779.13

Finding the Fourth Proportional to 16,445.89, 22,687.63 and 10,779.13

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Solution

The fourth proportional to 16,445.89, 22,687.63 and 10,779.13 is: 14,870.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,445.89 : 22,687.63 = 10,779.13 : x
  2. Step 2: Convert to fraction form
    16,445.89/22,687.63 = 10,779.13/x
  3. Step 3: Cross multiply
    16,445.89x = 22,687.63 × 10,779.13
  4. Step 4: Simplify right side
    16,445.89x = 244,552,913.16
  5. Step 5: Solve for x
    x = 244,552,913.16/16,445.89
  6. Step 6: Final answer
    x = 14,870.15

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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.