Home / 13,695.59-20,545.74-4,335.47

Finding the Fourth Proportional to 13,695.59, 20,545.74 and 4,335.47

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Solution

The fourth proportional to 13,695.59, 20,545.74 and 4,335.47 is: 6,503.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,695.59 : 20,545.74 = 4,335.47 : x
  2. Step 2: Convert to fraction form
    13,695.59/20,545.74 = 4,335.47/x
  3. Step 3: Cross multiply
    13,695.59x = 20,545.74 × 4,335.47
  4. Step 4: Simplify right side
    13,695.59x = 89,075,336.67
  5. Step 5: Solve for x
    x = 89,075,336.67/13,695.59
  6. Step 6: Final answer
    x = 6,503.94

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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.