Home / 19,153.10-28,729.65-14,779.10

Finding the Fourth Proportional to 19,153.10, 28,729.65 and 14,779.10

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Solution

The fourth proportional to 19,153.10, 28,729.65 and 14,779.10 is: 22,168.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,153.10 : 28,729.65 = 14,779.10 : x
  2. Step 2: Convert to fraction form
    19,153.10/28,729.65 = 14,779.10/x
  3. Step 3: Cross multiply
    19,153.10x = 28,729.65 × 14,779.10
  4. Step 4: Simplify right side
    19,153.10x = 424,598,370.32
  5. Step 5: Solve for x
    x = 424,598,370.32/19,153.10
  6. Step 6: Final answer
    x = 22,168.65

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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.