Home / 13,430.61-20,149.56-4,666.01

Finding the Fourth Proportional to 13,430.61, 20,149.56 and 4,666.01

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Solution

The fourth proportional to 13,430.61, 20,149.56 and 4,666.01 is: 7,000.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,430.61 : 20,149.56 = 4,666.01 : x
  2. Step 2: Convert to fraction form
    13,430.61/20,149.56 = 4,666.01/x
  3. Step 3: Cross multiply
    13,430.61x = 20,149.56 × 4,666.01
  4. Step 4: Simplify right side
    13,430.61x = 94,017,947.71
  5. Step 5: Solve for x
    x = 94,017,947.71/13,430.61
  6. Step 6: Final answer
    x = 7,000.27

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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.