Home / 14,779.07-20,396.90-10,798.19

Finding the Fourth Proportional to 14,779.07, 20,396.90 and 10,798.19

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Solution

The fourth proportional to 14,779.07, 20,396.90 and 10,798.19 is: 14,902.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,779.07 : 20,396.90 = 10,798.19 : x
  2. Step 2: Convert to fraction form
    14,779.07/20,396.90 = 10,798.19/x
  3. Step 3: Cross multiply
    14,779.07x = 20,396.90 × 10,798.19
  4. Step 4: Simplify right side
    14,779.07x = 220,249,601.61
  5. Step 5: Solve for x
    x = 220,249,601.61/14,779.07
  6. Step 6: Final answer
    x = 14,902.81

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Double scale
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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.