Home / 25,623.28-35,354.12-15,551.48

Finding the Fourth Proportional to 25,623.28, 35,354.12 and 15,551.48

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Solution

The fourth proportional to 25,623.28, 35,354.12 and 15,551.48 is: 21,457.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,623.28 : 35,354.12 = 15,551.48 : x
  2. Step 2: Convert to fraction form
    25,623.28/35,354.12 = 15,551.48/x
  3. Step 3: Cross multiply
    25,623.28x = 35,354.12 × 15,551.48
  4. Step 4: Simplify right side
    25,623.28x = 549,808,890.10
  5. Step 5: Solve for x
    x = 549,808,890.10/25,623.28
  6. Step 6: Final answer
    x = 21,457.40

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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.