Home / 13,075.18-19,612.24-3,715.16

Finding the Fourth Proportional to 13,075.18, 19,612.24 and 3,715.16

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Solution

The fourth proportional to 13,075.18, 19,612.24 and 3,715.16 is: 5,572.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,075.18 : 19,612.24 = 3,715.16 : x
  2. Step 2: Convert to fraction form
    13,075.18/19,612.24 = 3,715.16/x
  3. Step 3: Cross multiply
    13,075.18x = 19,612.24 × 3,715.16
  4. Step 4: Simplify right side
    13,075.18x = 72,862,502.21
  5. Step 5: Solve for x
    x = 72,862,502.21/13,075.18
  6. Step 6: Final answer
    x = 5,572.58

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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.