Home / 23,790.65-32,830.70-13,718.30

Finding the Fourth Proportional to 23,790.65, 32,830.70 and 13,718.30

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Solution

The fourth proportional to 23,790.65, 32,830.70 and 13,718.30 is: 18,931.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,790.65 : 32,830.70 = 13,718.30 : x
  2. Step 2: Convert to fraction form
    23,790.65/32,830.70 = 13,718.30/x
  3. Step 3: Cross multiply
    23,790.65x = 32,830.70 × 13,718.30
  4. Step 4: Simplify right side
    23,790.65x = 450,381,159.07
  5. Step 5: Solve for x
    x = 450,381,159.07/23,790.65
  6. Step 6: Final answer
    x = 18,931.02

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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.