Home / 13,445.66-18,545.28-10,368.14

Finding the Fourth Proportional to 13,445.66, 18,545.28 and 10,368.14

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Solution

The fourth proportional to 13,445.66, 18,545.28 and 10,368.14 is: 14,300.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,445.66 : 18,545.28 = 10,368.14 : x
  2. Step 2: Convert to fraction form
    13,445.66/18,545.28 = 10,368.14/x
  3. Step 3: Cross multiply
    13,445.66x = 18,545.28 × 10,368.14
  4. Step 4: Simplify right side
    13,445.66x = 192,280,059.38
  5. Step 5: Solve for x
    x = 192,280,059.38/13,445.66
  6. Step 6: Final answer
    x = 14,300.53

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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.