Home / 25,700.04-35,478-16,281.36

Finding the Fourth Proportional to 25,700.04, 35,478 and 16,281.36

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Solution

The fourth proportional to 25,700.04, 35,478 and 16,281.36 is: 22,475.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,700.04 : 35,478 = 16,281.36 : x
  2. Step 2: Convert to fraction form
    25,700.04/35,478 = 16,281.36/x
  3. Step 3: Cross multiply
    25,700.04x = 35,478 × 16,281.36
  4. Step 4: Simplify right side
    25,700.04x = 577,630,090.08
  5. Step 5: Solve for x
    x = 577,630,090.08/25,700.04
  6. Step 6: Final answer
    x = 22,475.84

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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.