Home / 13,275.51-18,316.08-7,532.02

Finding the Fourth Proportional to 13,275.51, 18,316.08 and 7,532.02

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Solution

The fourth proportional to 13,275.51, 18,316.08 and 7,532.02 is: 10,391.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,275.51 : 18,316.08 = 7,532.02 : x
  2. Step 2: Convert to fraction form
    13,275.51/18,316.08 = 7,532.02/x
  3. Step 3: Cross multiply
    13,275.51x = 18,316.08 × 7,532.02
  4. Step 4: Simplify right side
    13,275.51x = 137,956,989.30
  5. Step 5: Solve for x
    x = 137,956,989.30/13,275.51
  6. Step 6: Final answer
    x = 10,391.84

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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.