Home / 26,529.10-36,615.35-15,206.18

Finding the Fourth Proportional to 26,529.10, 36,615.35 and 15,206.18

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Solution

The fourth proportional to 26,529.10, 36,615.35 and 15,206.18 is: 20,987.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,529.10 : 36,615.35 = 15,206.18 : x
  2. Step 2: Convert to fraction form
    26,529.10/36,615.35 = 15,206.18/x
  3. Step 3: Cross multiply
    26,529.10x = 36,615.35 × 15,206.18
  4. Step 4: Simplify right side
    26,529.10x = 556,779,602.86
  5. Step 5: Solve for x
    x = 556,779,602.86/26,529.10
  6. Step 6: Final answer
    x = 20,987.50

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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.