Home / 12,551.51-17,339.11-10,030.32

Finding the Fourth Proportional to 12,551.51, 17,339.11 and 10,030.32

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Solution

The fourth proportional to 12,551.51, 17,339.11 and 10,030.32 is: 13,856.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,551.51 : 17,339.11 = 10,030.32 : x
  2. Step 2: Convert to fraction form
    12,551.51/17,339.11 = 10,030.32/x
  3. Step 3: Cross multiply
    12,551.51x = 17,339.11 × 10,030.32
  4. Step 4: Simplify right side
    12,551.51x = 173,916,821.82
  5. Step 5: Solve for x
    x = 173,916,821.82/12,551.51
  6. Step 6: Final answer
    x = 13,856.25

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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.