Home / 13,332.48-20,010.88-7,097.76

Finding the Fourth Proportional to 13,332.48, 20,010.88 and 7,097.76

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Solution

The fourth proportional to 13,332.48, 20,010.88 and 7,097.76 is: 10,653.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,332.48 : 20,010.88 = 7,097.76 : x
  2. Step 2: Convert to fraction form
    13,332.48/20,010.88 = 7,097.76/x
  3. Step 3: Cross multiply
    13,332.48x = 20,010.88 × 7,097.76
  4. Step 4: Simplify right side
    13,332.48x = 142,032,423.63
  5. Step 5: Solve for x
    x = 142,032,423.63/13,332.48
  6. Step 6: Final answer
    x = 10,653.11

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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.