Home / 23,420.34-32,312.21-13,341.65

Finding the Fourth Proportional to 23,420.34, 32,312.21 and 13,341.65

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Solution

The fourth proportional to 23,420.34, 32,312.21 and 13,341.65 is: 18,407.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,420.34 : 32,312.21 = 13,341.65 : x
  2. Step 2: Convert to fraction form
    23,420.34/32,312.21 = 13,341.65/x
  3. Step 3: Cross multiply
    23,420.34x = 32,312.21 × 13,341.65
  4. Step 4: Simplify right side
    23,420.34x = 431,098,210.62
  5. Step 5: Solve for x
    x = 431,098,210.62/23,420.34
  6. Step 6: Final answer
    x = 18,407.00

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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.