Home / 19,000.21-26,223.91-12,528.47

Finding the Fourth Proportional to 19,000.21, 26,223.91 and 12,528.47

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Solution

The fourth proportional to 19,000.21, 26,223.91 and 12,528.47 is: 17,291.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,000.21 : 26,223.91 = 12,528.47 : x
  2. Step 2: Convert to fraction form
    19,000.21/26,223.91 = 12,528.47/x
  3. Step 3: Cross multiply
    19,000.21x = 26,223.91 × 12,528.47
  4. Step 4: Simplify right side
    19,000.21x = 328,545,275.96
  5. Step 5: Solve for x
    x = 328,545,275.96/19,000.21
  6. Step 6: Final answer
    x = 17,291.67

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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.