Home / 15,403.10-23,107.50-4,875.76

Finding the Fourth Proportional to 15,403.10, 23,107.50 and 4,875.76

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Solution

The fourth proportional to 15,403.10, 23,107.50 and 4,875.76 is: 7,314.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,403.10 : 23,107.50 = 4,875.76 : x
  2. Step 2: Convert to fraction form
    15,403.10/23,107.50 = 4,875.76/x
  3. Step 3: Cross multiply
    15,403.10x = 23,107.50 × 4,875.76
  4. Step 4: Simplify right side
    15,403.10x = 112,666,624.20
  5. Step 5: Solve for x
    x = 112,666,624.20/15,403.10
  6. Step 6: Final answer
    x = 7,314.54

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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.