Home / 35,528.13-53,276.99-13,326.12

Finding the Fourth Proportional to 35,528.13, 53,276.99 and 13,326.12

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Solution

The fourth proportional to 35,528.13, 53,276.99 and 13,326.12 is: 19,983.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,528.13 : 53,276.99 = 13,326.12 : x
  2. Step 2: Convert to fraction form
    35,528.13/53,276.99 = 13,326.12/x
  3. Step 3: Cross multiply
    35,528.13x = 53,276.99 × 13,326.12
  4. Step 4: Simplify right side
    35,528.13x = 709,975,495.35
  5. Step 5: Solve for x
    x = 709,975,495.35/35,528.13
  6. Step 6: Final answer
    x = 19,983.47

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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.