Home / 13,944.47-19,260.52-10,423.40

Finding the Fourth Proportional to 13,944.47, 19,260.52 and 10,423.40

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Solution

The fourth proportional to 13,944.47, 19,260.52 and 10,423.40 is: 14,397.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,944.47 : 19,260.52 = 10,423.40 : x
  2. Step 2: Convert to fraction form
    13,944.47/19,260.52 = 10,423.40/x
  3. Step 3: Cross multiply
    13,944.47x = 19,260.52 × 10,423.40
  4. Step 4: Simplify right side
    13,944.47x = 200,759,981.81
  5. Step 5: Solve for x
    x = 200,759,981.81/13,944.47
  6. Step 6: Final answer
    x = 14,397.11

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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.