Home / 26,528.91-36,615.09-15,206.00

Finding the Fourth Proportional to 26,528.91, 36,615.09 and 15,206.00

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Solution

The fourth proportional to 26,528.91, 36,615.09 and 15,206.00 is: 20,987.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,528.91 : 36,615.09 = 15,206.00 : x
  2. Step 2: Convert to fraction form
    26,528.91/36,615.09 = 15,206.00/x
  3. Step 3: Cross multiply
    26,528.91x = 36,615.09 × 15,206.00
  4. Step 4: Simplify right side
    26,528.91x = 556,768,875.46
  5. Step 5: Solve for x
    x = 556,768,875.46/26,528.91
  6. Step 6: Final answer
    x = 20,987.25

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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.