Home / 13,475.59-18,594.84-7,810.45

Finding the Fourth Proportional to 13,475.59, 18,594.84 and 7,810.45

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Solution

The fourth proportional to 13,475.59, 18,594.84 and 7,810.45 is: 10,777.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,475.59 : 18,594.84 = 7,810.45 : x
  2. Step 2: Convert to fraction form
    13,475.59/18,594.84 = 7,810.45/x
  3. Step 3: Cross multiply
    13,475.59x = 18,594.84 × 7,810.45
  4. Step 4: Simplify right side
    13,475.59x = 145,234,068.08
  5. Step 5: Solve for x
    x = 145,234,068.08/13,475.59
  6. Step 6: Final answer
    x = 10,777.57

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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.