Home / 12,726.08-19,071.84-6,574.40

Finding the Fourth Proportional to 12,726.08, 19,071.84 and 6,574.40

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Solution

The fourth proportional to 12,726.08, 19,071.84 and 6,574.40 is: 9,852.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,726.08 : 19,071.84 = 6,574.40 : x
  2. Step 2: Convert to fraction form
    12,726.08/19,071.84 = 6,574.40/x
  3. Step 3: Cross multiply
    12,726.08x = 19,071.84 × 6,574.40
  4. Step 4: Simplify right side
    12,726.08x = 125,385,904.90
  5. Step 5: Solve for x
    x = 125,385,904.90/12,726.08
  6. Step 6: Final answer
    x = 9,852.67

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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.