Home / 19,405.59-26,779.35-10,792.30

Finding the Fourth Proportional to 19,405.59, 26,779.35 and 10,792.30

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Solution

The fourth proportional to 19,405.59, 26,779.35 and 10,792.30 is: 14,893.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,405.59 : 26,779.35 = 10,792.30 : x
  2. Step 2: Convert to fraction form
    19,405.59/26,779.35 = 10,792.30/x
  3. Step 3: Cross multiply
    19,405.59x = 26,779.35 × 10,792.30
  4. Step 4: Simplify right side
    19,405.59x = 289,010,779.01
  5. Step 5: Solve for x
    x = 289,010,779.01/19,405.59
  6. Step 6: Final answer
    x = 14,893.17

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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.