Home / 23,505.10-32,430.57-15,126.46

Finding the Fourth Proportional to 23,505.10, 32,430.57 and 15,126.46

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Solution

The fourth proportional to 23,505.10, 32,430.57 and 15,126.46 is: 20,870.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,505.10 : 32,430.57 = 15,126.46 : x
  2. Step 2: Convert to fraction form
    23,505.10/32,430.57 = 15,126.46/x
  3. Step 3: Cross multiply
    23,505.10x = 32,430.57 × 15,126.46
  4. Step 4: Simplify right side
    23,505.10x = 490,559,719.88
  5. Step 5: Solve for x
    x = 490,559,719.88/23,505.10
  6. Step 6: Final answer
    x = 20,870.35

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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.