Home / 35,681.51-53,529.78-13,494.40

Finding the Fourth Proportional to 35,681.51, 53,529.78 and 13,494.40

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Solution

The fourth proportional to 35,681.51, 53,529.78 and 13,494.40 is: 20,244.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,681.51 : 53,529.78 = 13,494.40 : x
  2. Step 2: Convert to fraction form
    35,681.51/53,529.78 = 13,494.40/x
  3. Step 3: Cross multiply
    35,681.51x = 53,529.78 × 13,494.40
  4. Step 4: Simplify right side
    35,681.51x = 722,352,263.23
  5. Step 5: Solve for x
    x = 722,352,263.23/35,681.51
  6. Step 6: Final answer
    x = 20,244.44

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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.