Home / 14,587.50-20,134.40-8,303.52

Finding the Fourth Proportional to 14,587.50, 20,134.40 and 8,303.52

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Solution

The fourth proportional to 14,587.50, 20,134.40 and 8,303.52 is: 11,460.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,587.50 : 20,134.40 = 8,303.52 : x
  2. Step 2: Convert to fraction form
    14,587.50/20,134.40 = 8,303.52/x
  3. Step 3: Cross multiply
    14,587.50x = 20,134.40 × 8,303.52
  4. Step 4: Simplify right side
    14,587.50x = 167,186,351.57
  5. Step 5: Solve for x
    x = 167,186,351.57/14,587.50
  6. Step 6: Final answer
    x = 11,460.93

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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.