Home / 34,386.48-47,454.12-19,278.96

Finding the Fourth Proportional to 34,386.48, 47,454.12 and 19,278.96

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Solution

The fourth proportional to 34,386.48, 47,454.12 and 19,278.96 is: 26,605.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,386.48 : 47,454.12 = 19,278.96 : x
  2. Step 2: Convert to fraction form
    34,386.48/47,454.12 = 19,278.96/x
  3. Step 3: Cross multiply
    34,386.48x = 47,454.12 × 19,278.96
  4. Step 4: Simplify right side
    34,386.48x = 914,866,081.32
  5. Step 5: Solve for x
    x = 914,866,081.32/34,386.48
  6. Step 6: Final answer
    x = 26,605.40

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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.