Home / 19,278.73-26,602.59-10,779.97

Finding the Fourth Proportional to 19,278.73, 26,602.59 and 10,779.97

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Solution

The fourth proportional to 19,278.73, 26,602.59 and 10,779.97 is: 14,875.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,278.73 : 26,602.59 = 10,779.97 : x
  2. Step 2: Convert to fraction form
    19,278.73/26,602.59 = 10,779.97/x
  3. Step 3: Cross multiply
    19,278.73x = 26,602.59 × 10,779.97
  4. Step 4: Simplify right side
    19,278.73x = 286,775,122.12
  5. Step 5: Solve for x
    x = 286,775,122.12/19,278.73
  6. Step 6: Final answer
    x = 14,875.21

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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.