Home / 13,526.52-18,666.69-7,558.44

Finding the Fourth Proportional to 13,526.52, 18,666.69 and 7,558.44

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Solution

The fourth proportional to 13,526.52, 18,666.69 and 7,558.44 is: 10,430.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,526.52 : 18,666.69 = 7,558.44 : x
  2. Step 2: Convert to fraction form
    13,526.52/18,666.69 = 7,558.44/x
  3. Step 3: Cross multiply
    13,526.52x = 18,666.69 × 7,558.44
  4. Step 4: Simplify right side
    13,526.52x = 141,091,056.36
  5. Step 5: Solve for x
    x = 141,091,056.36/13,526.52
  6. Step 6: Final answer
    x = 10,430.70

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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.