Home / 19,848.10-29,774.80-10,488.51

Finding the Fourth Proportional to 19,848.10, 29,774.80 and 10,488.51

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Solution

The fourth proportional to 19,848.10, 29,774.80 and 10,488.51 is: 15,734.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,848.10 : 29,774.80 = 10,488.51 : x
  2. Step 2: Convert to fraction form
    19,848.10/29,774.80 = 10,488.51/x
  3. Step 3: Cross multiply
    19,848.10x = 29,774.80 × 10,488.51
  4. Step 4: Simplify right side
    19,848.10x = 312,293,287.55
  5. Step 5: Solve for x
    x = 312,293,287.55/19,848.10
  6. Step 6: Final answer
    x = 15,734.17

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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.