Home / 13,545.16-20,282.14-10,898.60

Finding the Fourth Proportional to 13,545.16, 20,282.14 and 10,898.60

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Solution

The fourth proportional to 13,545.16, 20,282.14 and 10,898.60 is: 16,319.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,545.16 : 20,282.14 = 10,898.60 : x
  2. Step 2: Convert to fraction form
    13,545.16/20,282.14 = 10,898.60/x
  3. Step 3: Cross multiply
    13,545.16x = 20,282.14 × 10,898.60
  4. Step 4: Simplify right side
    13,545.16x = 221,046,931.00
  5. Step 5: Solve for x
    x = 221,046,931.00/13,545.16
  6. Step 6: Final answer
    x = 16,319.26

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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.