Home / 14,826.48-20,460.60-9,521.34

Finding the Fourth Proportional to 14,826.48, 20,460.60 and 9,521.34

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Solution

The fourth proportional to 14,826.48, 20,460.60 and 9,521.34 is: 13,139.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,826.48 : 20,460.60 = 9,521.34 : x
  2. Step 2: Convert to fraction form
    14,826.48/20,460.60 = 9,521.34/x
  3. Step 3: Cross multiply
    14,826.48x = 20,460.60 × 9,521.34
  4. Step 4: Simplify right side
    14,826.48x = 194,812,329.20
  5. Step 5: Solve for x
    x = 194,812,329.20/14,826.48
  6. Step 6: Final answer
    x = 13,139.49

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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.